Estimations of the integral of modulus for mixed derivatives of the sum of double trigonometric series by S. V. Hembarska, P. V. Zaderei

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Best orthogonal trigonometric approximations of the Nikol'skii–Besov-type classes of periodic functions in the space B∞,1 by S. B. Hembarska, P. V. Zaderei

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Approximation of analytic functions by the partial sums of Taylor series by M. V. Haievskyi, P. V. Zaderei

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Approximation of classes of ψ-differentiated functions by the Fourier sums by V. I. Bodra, P. V. Zaderei

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On Lebesgue continuity of the Vallée-Poussin sums on classes CψC by M. A. Veremii, P. V. Zaderei

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Estimates of a group of φ-deviations of analytic functions by M. V. Haievskyi, P. V. Zaderei

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On Taylor coefficients of functions of classes H1 by V. V. Bovsunovska, P. V. Zaderei

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On the Lebesgue Inequality on Classes of ψ-Differentiable Functions by N. M. Zaderei, P. V. Zaderei

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On Lebesgue continuity on classes of ш-differentiable functions by M. V. Haievskyi, P. V. Zaderei

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Ukrainian mathematician Vladyslav Kyrylovych Dzyadyk (to the 100th anniversary) by A. M. Samoilenko, P. V. Zaderei, N. M. Zaderei, H. D. Nefodova

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Nina Opanasivna Virchenko (on his 90th birthday) by A. M. Samoilenko, O. I. Klesov, P. V. Zaderei, H. D. Nefodova, N. M. Zaderei, V. O. Haidei

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Oleksandr Ivanovych Stepanets' (on his 75th birthday) by 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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