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Добірка наукової літератури з теми "Multilevel codes"

Автор: Grafiati

Опубліковано: 28 травня 2022

Оновлено: 31 липня 2025

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Статті в журналах з теми "Multilevel codes"

1

Ma, Shang-Chih. "Trellis-Coded Multilevel Coset Codes." IETE Journal of Research 65, no. 6 (2018): 887–90. http://dx.doi.org/10.1080/03772063.2018.1454346.

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2

Saifuddin, A., N. Kadowaki, R. Imai, H. Okazawa, and M. Yamamoto. "HDR satellite codec with concatenated multilevel codes." Electronics Letters 33, no. 6 (1997): 452. http://dx.doi.org/10.1049/el:19970319.

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3

da Rocha, Valdemar C., Ricardo M. Campello de Souza, and Patrick G. Farrell. "Multilevel Pseudocyclic Codes." Journal of Information and Optimization Sciences 11, no. 1 (1990): 101–6. http://dx.doi.org/10.1080/02522667.1990.10699007.

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4

Arafa, T., W. Sauer-Greff, and R. Urbansky. "Improving the performance of BICM-ID and MLC systems with different FEC codes." Advances in Radio Science 11 (July 4, 2013): 87–93. http://dx.doi.org/10.5194/ars-11-87-2013.

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Abstract. In bandwidth limited communication systems, the high data rate transmission with performance close to capacity limits is achieved by applying multilevel modulation schemes in association with powerful forward error correction (FEC) coding, i.e. coded modulation systems. The most important practical approaches to coded modulation systems are multilevel coding with multistage decoding (MLC/MSD) and bit interleaved coded modulation with iterative demapping and decoding (BICM-ID). Multilevel modulation formats such as M-QAM, which can be used as a part of coded modulation systems, have t

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5

Kasami, T., T. Takata, T. Fujiwara, and S. Lin. "On multilevel block modulation codes." IEEE Transactions on Information Theory 37, no. 4 (1991): 965–75. http://dx.doi.org/10.1109/18.86990.

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6

Pottie, G. J., and D. P. Taylor. "Multilevel codes based on partitioning." IEEE Transactions on Information Theory 35, no. 1 (1989): 87–98. http://dx.doi.org/10.1109/18.42180.

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7

Calderbank, A. R. "Multilevel codes and multistage decoding." IEEE Transactions on Communications 37, no. 3 (1989): 222–29. http://dx.doi.org/10.1109/26.20095.

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8

Botha, L., H. C. Ferreira, and I. Broere. "Multilevel sequences and line codes." IEE Proceedings I Communications, Speech and Vision 140, no. 4 (1993): 255. http://dx.doi.org/10.1049/ip-i-2.1993.0038.

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9

Woerz, Thomas, and Joachim Hagenauer. "Decoding ofM-PSK-Multilevel Codes." European Transactions on Telecommunications 4, no. 3 (1993): 299–308. http://dx.doi.org/10.1002/ett.4460040310.

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10

Forney, G. D., M. D. Trott, and Sae-Young Chung. "Sphere-bound-achieving coset codes and multilevel coset codes." IEEE Transactions on Information Theory 46, no. 3 (2000): 820–50. http://dx.doi.org/10.1109/18.841165.

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Дисертації з теми "Multilevel codes"

1

Schill, Dietmar [Verfasser]. "Hierarchical Broadcasting using Multilevel Codes : Hierarchischer Rundfunk mittels Multilevel Codes / Dietmar Schill." Aachen : Shaker, 2003. http://d-nb.info/1172611688/34.

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2

Martin, Philippa Anne. "Adaptive iterative decoding : block turbo codes and multilevel codes." Thesis, University of Canterbury. Electrical and Electronic Engineering, 2001. http://hdl.handle.net/10092/7853.

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Анотація:

New adaptive, iterative approaches to the decoding of block Turbo codes and multilevel codes are developed. Block Turbo codes are considered as they can readily provide high data rates, low decoding complexity and good performance. Multilevel codes are considered as they provide a moderate complexity approach to a high complexity code and can provide codes with good bandwidth efficiency. The work develops two adaptive sub-optimal soft output decoding algorithms for block Turbo codes. One is based on approximation and the other on the distance properties of the component codes. They can be use

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3

Baghaie, Abchuyeh Marjan. "Multilevel Space-Time Trellis Codes for Rayleigh Fading Channels." Thesis, University of Canterbury. Electrical and Computer Engineering, 2008. http://hdl.handle.net/10092/2101.

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Demand for capacity in wireless communication systems has been rapidly growing world- wide. This has been driven by increasing data rate requirements of cellular mobile systems, and demand for wireless Internet and multimedia services. As the available radio spec- trum is limited, higher data rates can only be achieved by designing more efficient signaling techniques. In this thesis, we propose a new transmission scheme, which benefits from the advantages of conventional space-time trellis codes (CSTTCs) but does not have the disadvantages, especially for larger signal constellations. We achie

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4

Belgrade, Diana Stojanovic. "Interative multistage maximum likelihood decoding algorithm for multilevel codes and its applications." Thesis, University of Hawaii at Manoa, 2003. http://hdl.handle.net/10125/6876.

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The role of channel coding in digital communication system is to provide reliability, that is, a successful information transmission in the presence of noise and interference, with as small an error rate as required. Half a century of research in Information Theory and Communications resulted in construction of many good codes and classes of codes. In general, longer codes achieve better performance, but the required time, memory, and amount of computation needed for successful decoding of these codes may in practice be infeasible. Thus the search for an efficient decoding algorithm is as impo

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5

Licona-Nunez, Jorge Estuardo. "M-ary Runlength Limited Coding and Signal Processing for Optical Data Storage." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5195.

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Recent attempts to increase the capacity of the compact disc (CD) and digital versatile disc (DVD) have explored the use of multilevel recording instead of binary recording. Systems that achieve an increase in capacity of about three times that of conventional CD have been proposed for production. Marks in these systems are multilevel and fixed-length as opposed to binary and variable length in CD and DVD. The main objective of this work is to evaluate the performance of multilevel ($M$-ary) runlength-limited (RLL) coded sequences in optical data storage. First, the waterfilling capacity of

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6

Vargas, Barroso Aharón Jesús [Verfasser], and Wolfgang [Akademischer Betreuer] Gerstacker. "Design and Implementation Aspects of Multilevel Codes in Hierarchical Broadcasting Communications / Aharón Jesús Vargas Barroso. Betreuer: Wolfgang Gerstacker." Erlangen : Universitätsbibliothek der Universität Erlangen-Nürnberg, 2011. http://d-nb.info/1016569092/34.

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7

Minkov, Lyubomir L. "EXPERIMENTAL DEMONSTRATION OF MITIGATION OF LINEAR AND NONLINEAR IMPAIRMENTS IN FIBER-OPTIC COMMUNICATION SYSTEMS BY LDPC-CODED TURBO EQUALIZATION." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/194082.

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Анотація:

The ever-increasing demands for transmission capacity are the cause for the quick evolution of optical communication systems. Channel transmission at 100 Gb/s is already being considered by network operators. The major transmission impairments at these high rates are intra-channel and inter-channel nonlinearities, nonlinear phase noise, and polarization mode dispersion. By implementing LDPC-coded modulation schemes with soft decoding and Bahl-Cocke-Jelinek-Raviv (BCJR) algorithm for equalization we have demonstrated significant improvements in system performance experiencing several impairment

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8

Onanchenko, Yevhen Leonidovych, Евгений Леонидович Онанченко, Євген Леонідович Онанченко та Р. А. Ткаченко. "Построение многоуровневых кодов при адаптивной передаче сигналов". Thesis, Изд-во СумДУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/4224.

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9

Alfaro, Zavala Juan Wilfredo. "Improving Error Performance in Bandwidth-Limited Baseband Channels." Thesis, Högskolan i Gävle, Avdelningen för elektronik, matematik och naturvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-12745.

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Channel coding has been largely used for the purpose of improving error performance on a communications system. Typical methods based on added redundancy allow for error detection and correction, this improvement however comes at a cost of bandwidth. This thesis focuses on channel coding for the bandwidth-limited channel where no bandwidth expansion is allowed. We first discuss the idea of coding for the bandwidth-limited channel as seen from the signal space point of view where the purpose of coding is to maximize the Euclidian distance between constellation points without increasing the tota

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10

Danjean, Ludovic. "Algorithmes itératifs à faible complexité pour le codage de canal et le compressed sensing." Phd thesis, Université de Cergy Pontoise, 2012. http://tel.archives-ouvertes.fr/tel-00797447.

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L'utilisation d'algorithmes itératifs est aujourd'hui largement répandue dans tous les domaines du traitement du signal et des communications numériques. Dans les systèmes de communications modernes, les algorithmes itératifs sont utilisés dans le décodage des codes ''low-density parity-check'' (LDPC), qui sont une classe de codes correcteurs d'erreurs utilisés pour leurs performances exceptionnelles en terme de taux d'erreur. Dans un domaine plus récent qu'est le ''compressed sensing'', les algorithmes itératifs sont utilisés comme méthode de reconstruction afin de recouvrer un signal ''spars

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Книги з теми "Multilevel codes"

1

Lee, Wing-Man. Complexity and performance analysis of suboptimal decoders for multilevel block codes. National Library of Canada, 1993.

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2

Rajpal, Sandeep. Multidimensional trellis coded phase modulation using a multilevel concatenation approach. National Aeronautics and Space Administration, 1997.

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3

Simon, Marvin Kenneth. The performance of trellis coded multilevel DPSK on a fading mobile satellite channel. National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, 1987.

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4

Ghahramani, Salar. Sovereign Wealth and the Extraterritorial Manipulation of Corporate Conduct. Edited by Douglas Cumming, Geoffrey Wood, Igor Filatotchev, and Juliane Reinecke. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198754800.013.27.

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Анотація:

Global legal harmonization is an aspect of transnational law whereby a family of norms is formed by a non-state legal order. Sovereign wealth funds (SWFs)—diverse in terms of their countries of origin, size, investment strategies, asset allocation tactics, and underlying purposes—contribute to the harmonization by setting and enforcing cross-border ethical norms and governance standards. This chaper examines aspects of SWFs as transnational lawmakers, a significant phenomenon for the global family of standards and a potential challenge for state-based legal orders. It examines SWF adoption of

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5

Andriopoulos, Constantine, and Manto Gotsi. Methods of Paradox. Edited by Wendy K. Smith, Marianne W. Lewis, Paula Jarzabkowski, and Ann Langley. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198754428.013.26.

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Despite growing scholarly interest in paradoxes, there is still a lack of literature expressly engaging with the methodological mechanics of “doing” paradox research. First, there are no clearly established guidelines around what should count as paradox in research endeavours. Second, there is uncertainty around who sees/thinks/experiences the paradox and what is relevant when it comes to the emergence, choice, interpretation, and appropriation of paradoxes in empirical settings. Third, there is still confusion around where one can find evidence of paradoxes. This chapter aims to shed some lig

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6

Thagard, Paul. Mind-Society. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190678722.001.0001.

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Анотація:

Social change comes from the combination of communication among people and their individual cognitive and emotional processes. This book systematically connects neural and psychological explanations of mind with social phenomena, covering major social sciences (social psychology, sociology, politics, economics, anthropology, and history) and professions (medicine, law, education, engineering, and business). The aim is not to reduce the social to the psychological but rather to display their harmony and interdependence. This display is accomplished by describing the interconnections among menta

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Частини книг з теми "Multilevel codes"

1

Barg, Alexander, and Gilles Zémor. "Multilevel expander codes." In Algebraic Coding Theory and Information Theory. American Mathematical Society, 2005. http://dx.doi.org/10.1090/dimacs/068/04.

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2

Livingston, Jay. "Rotationally invariant multilevel codes." In Coding and Quantization. American Mathematical Society, 1993. http://dx.doi.org/10.1090/dimacs/014/24.

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3

Zhang, Lin, and Branka Vucetic. "Multilevel modulation codes for rayleigh fading channels." In Applied Algebra, Algebraic Algorithms and Error-Correcting Codes. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/3-540-54522-0_135.

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4

Guruswami, Venkatesan, and Atri Rudra. "Better Binary List-Decodable Codes Via Multilevel Concatenation." In Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-74208-1_40.

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5

Govinda, K., and E. Sathiyamoorthy. "Multilevel Security in Cloud Computing Environment Using Graceful Codes." In Communications in Computer and Information Science. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29216-3_67.

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6

Usha, K., and K. Jaya Sankar. "Performance Evaluation of New Multilevel Spreading Codes for Synchronous DS-CDMA Communication." In Lecture Notes in Electrical Engineering. Springer India, 2013. http://dx.doi.org/10.1007/978-81-322-1524-0_22.

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7

Chopra, Shakti Raj, and Akhil Gupta. "Multilevel coding scheme with trellis codes as component code in 5G scenario." In Intelligent Circuits and Systems. CRC Press, 2021. http://dx.doi.org/10.1201/9781003129103-38.

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8

Xu, Lei, Lin Zhou, Lin Wang, Congyi Wang, and Sanya Liu. "Simplified Design of Multilevel Coding Scheme with Polar Codes for High-Order Modulation." In Advances in Wireless Communications and Applications. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2255-8_8.

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9

Gyárfáš, F., and M. Popper. "Multilevel Inference Control in Expert System Codex." In Cybernetics and Systems ’86. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4634-7_95.

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10

Sanders, Peter, and Daniel Seemaier. "Distributed Deep Multilevel Graph Partitioning." In Euro-Par 2023: Parallel Processing. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-39698-4_30.

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AbstractWe describe the engineering of the distributed-memory multilevel graph partitioner . It scales to (at least) 8192 cores while achieving partitioning quality comparable to widely used sequential and shared-memory graph partitioners. In comparison, previous distributed graph partitioners scale only in more restricted scenarios and often induce a considerable quality penalty compared to non-distributed partitioners. When partitioning into a large number of blocks, they even produce infeasible solution that violate the balancing constraint. achieves its robustness by a scalable distributed

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Тези доповідей конференцій з теми "Multilevel codes"

1

Sukmadji, Alvin Y., and Frank R. Kschischang. "Performance-Complexity-Latency Trade-offs of Concatenated RS-SDBCH Codes." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.tu2f.3.

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Performance-complexity-latency trade-off curves for rate-0.88 concatenated outer Reed–Solomon codes and inner Chase-algorithm-based soft-decision Bose–Ray-Chaudhuri–Hocquenghem codes with PAM4 constellation using bit-interleaved coded modulation and multilevel coding coded modulation schemes over the AWGN channel are presented.

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2

Kakizaki, Takeshi, Masanori Nakamura, Fukutaro Hamaoka, Shuto Yamamoto, and Etsushi Yamazaki. "Channel-polarized Multilevel Coding with Iterative Decoder for Net Coding Gain Improvement of Short-block-length Codes." In 2024 IEEE Opto-Electronics and Communications Conference (OECC). IEEE, 2024. https://doi.org/10.1109/oecc54135.2024.10975589.

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3

Barg, A., and G. Zemor. "Multilevel expander codes." In Proceedings. International Symposium on Information Theory, 2005. ISIT 2005. IEEE, 2005. http://dx.doi.org/10.1109/isit.2005.1523555.

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4

Li, Jinsheng, Ling Liu, and Yinfei Xu. "Polar Codes for Multilevel Steganography." In 2022 IEEE/CIC International Conference on Communications in China (ICCC Workshops). IEEE, 2022. http://dx.doi.org/10.1109/icccworkshops55477.2022.9896642.

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5

Jiantian Wu, Daniel J. Costello, and Lance C. Perez. "On multilevel trellis MPSK codes." In Proceedings. 1991 IEEE International Symposium on Information Theory. IEEE, 1991. http://dx.doi.org/10.1109/isit.1991.695201.

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6

Bhatia, Aman, Aravind R. Iyengar, and Paul H. Siegel. "Multilevel 2-cell t-write codes." In 2012 IEEE Information Theory Workshop (ITW 2012). IEEE, 2012. http://dx.doi.org/10.1109/itw.2012.6404668.

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7

Shang-Chih Ma and Chia-Hao Lin. "Multilevel concatenated space-time block codes." In 2010 International Conference on System Science and Engineering (ICSSE). IEEE, 2010. http://dx.doi.org/10.1109/icsse.2010.5551725.

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8

Shang-Chih Ma and Wei-Ming Chen. "Multilevel coset codes with interlevel coding." In TENCON 2007 - 2007 IEEE Region 10 Conference. IEEE, 2007. http://dx.doi.org/10.1109/tencon.2007.4429112.

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9

Ma, Shang-Chih. "Twofold Constructions of Multilevel Coset Codes." In 2008 The Fourth International Conference on Wireless and Mobile Communications. IEEE, 2008. http://dx.doi.org/10.1109/icwmc.2008.13.

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10

Haymaker, Kathryn, and Christine A. Kelley. "Covering codes for multilevel flash memories." In 2012 46th Asilomar Conference on Signals, Systems and Computers. IEEE, 2012. http://dx.doi.org/10.1109/acssc.2012.6489155.

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Звіти організацій з теми "Multilevel codes"

1

Jakobsen, Tor Georg. Using ChatGPT with Stata: Multilevel & Mixed Models. Instats Inc., 2025. https://doi.org/10.61700/p6sw7xh2g6u9z1891.

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Анотація:

Multilevel modeling is an essential technique for capturing complexity in real-world data, whether you are analyzing students within schools, individuals within countries, or repeated measures within individuals. This workshop provides a hands-on introduction to random intercepts, random slopes, and cross-level interactions — all supported by AI-powered guidance to help you understand the concepts, the Stata code, and your results.

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Ми пропонуємо знижки на всі преміум-плани для авторів, чиї праці увійшли до тематичних добірок літератури. Зв'яжіться з нами, щоб отримати унікальний промокод!