Kolmogorov widths and bilinear approximations of the classes of periodic functions of one and many variables von A. S. Romaniuk

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Entropy numbers and Kolmogorov widths of Nikol'skii-Besov classes of periodic functions of two variables in the space L∞ von A. S. Romaniuk

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Approximative characteristics and properties of operators of the best approximation of classes of functions from the Sobolev and Nikol'skii-Besov spaces von A. S. Romaniuk, V. S. Romaniuk

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Approximating characteristics of the classes of periodic multivariate functions in the space B∞,1 von A. S. Romaniuk, V. S. Romaniuk

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Estimates of some approximating characteristics of the classes of periodic functions of one and many variables von A. S. Romaniuk, V. S. Romaniuk

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Estimates of approximation characteristics and properties of operators of the best approximation for the classes of periodic functions in the space B1,1 von A. S. Romaniuk, Ya. Yanchenko

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Kolmogorov widths of the Nikol'skii–Besov classes of periodic functions of many variables in the space of quasicontinuous functions von A. S. Romaniuk, Ya. Yanchenko

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Approximation of classes of periodic functions in one and many variables from the Nikol'skii–Besov and Sobolev spaces von A. S. Romaniuk, Ya. Yanchenko

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Grand coalitions in context the coalition's government majority: conceptualization, political reasons and political causes and consequence on example, parliamentary democr... von V. S. Lytvyn, A. S. Romaniuk

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Demographic Trends in Ukraine: Past, Present, and Future von A. I. Romaniuk, O. M. Hladun

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An outstanding figure in the XX century approximation theory (to the 100th anniversary of Academician of NAS of Ukraine N.P. Korneichuk) von A. M. Samoilenko, A. S. Romaniuk, A. S. Serdiuk

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Mathematics — a love for life (to the 80th anniversary of the Corresponding Member of the NAS of Ukraine V.P. Motorny) von A. M. Samoilenko, A. S. Romaniuk, N. V. Parfinovych

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International conference "Theory of approximation of functions and its applications” on the occasion of the 80th birthday of the corresponding member of the National Acade... von O. M. Tymokha, A. S. Romaniuk, A. S. Serdiuk, I. V. Sokolenko, A. L. Shydlich

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Oleksandr Mykolayovych Tymokha (to his 60th birthday) von I. O. Lukovskyi, V. L. Makarov, O. A. Boichuk, A. H. Nikitin, V. B. Vasylyk, O. H. Mazko, S. A. Plaksa, A. S. Romaniuk

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Mykola Pavlovych Korneichuk (on his 100th birthday) von A. M. Samoilenko, I. O. Lukovskyi, V. L. Makarov, V. P. Motornyi, V. F. Babenko, S. B. Vakarchuk, V. O. Kofanov, N. V. Parfinovych, A. S. Romaniuk, V. S. Romaniuk

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Vitalii Pavlovych Motornyi (on his 80th birthday) von A. M. Samoy̆lenko, V. F. Babenko, S. B. Vakarchuk, V. L. Velykin, O. V. Davydov, V. O. Kofanov, N. V. Parfinovych, A. M. Pasko, A. S. Romaniuk, V. S. Romaniuk

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Oleksandr Ivanovych Stepanets' (on his 75th birthday) von A. M. Samoilenko, I. O. Lukovskyi, V. L. Makarov, V. P. Motornyi, P. V. Zaderei, A. S. Romaniuk, A. P. Holub, A. S. Serdiuk, V. V. Savchuk, V. S. Romaniuk

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Vladyslav Kyrylovych Dzyadyk (on his 100th birthday) von A. M. Samoilenko, V. K. Zadiraka, O. A. Letychevskyi, I. O. Lukovskyi, V. L. Makarov, A. P. Holub, Yu. V. Dziadyk, V. V. Kovtunets, A. S. Romaniuk, A. S. Serdiuk

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Motornyi Vitalii Pavlovych (on his 75th birthday) von A. M. Samoilenko, V. F. Babenko, S. B. Vakarchuk, V. L. Velykin, O. V. Davydov, V. O. Kofanov, N. V. Parfinovych, A. M. Pasko, A. S. Romaniuk, V. I. Ruban

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