Approximation of the classes of generalized Poisson integrals by Fourier sums in metrics of the spaces L_s за авторством A. S. Serdiuk, T. A. Stepaniuk

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Uniform approximations by Fourier sums on the classes of convolutions with generalized Poisson kernels за авторством A. S. Serdiuk, T. A. Stepaniuk

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Estimates of the best orthogonal trigonometric approximations of the classes of convolutions of periodic functions of not high smoothness за авторством A. S. Serdiuk, T. A. Stepaniuk

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Estimates of the best m-term trigonometric approximations of classes of analytic functions за авторством A. S. Serdiuk, T. A. Stepaniuk

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Order Estimates for the Best Orthogonal Trigonometric Approximations of the Classes of Convolutions of Periodic Functions of Low Smoothness за авторством A. S. Serdiuk, T. A. Stepaniuk

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Estimations of the Best Approximations for the Classes of Infinitely Differentiable Functions in Uniform and Integral Metrics за авторством A. S. Serdiuk, T. A. Stepaniuk

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Order Estimates for the Best Approximations and Approximations by Fourier Sums in the Classes of Convolutions of Periodic Functions of Low Smoothness in the Uniform Metric за авторством A. S. Serdiuk, T. A. Stepaniuk

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Order estimates for the best approximation and approximation by Fourier sums of classes of infinitely differentiable functions за авторством A. S. Serdiuk, T. A. Stepaniuk

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Approximation by interpolation trigonometric polynomials in metrics of the spaces Lp on the classes of periodic entire functions за авторством A. S. Serdiuk, I. V. Sokolenko

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An approximation of class of convolutions of periodic functions by linear methods based on their Fourier-Lagrange coefficients за авторством A. S. Serdiuk, I. V. Sokolenko

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Approximation of classes (Ψ, β)-differentiable functions by interpolating trigonometric polynomials за авторством A. S. Serdiuk, I. V. Sokolenko

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Exact Values of Kolmogorov Widths for the Classes of Analytic Functions. II за авторством V. V. Bodenchuk, A. S. Serdiuk

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Exact Values of Kolmogorov Widths for the Classes of Analytic Functions. I за авторством V. V. Bodenchuk, A. S. Serdiuk

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Approximation by Fourier sums in classes of Weyl–Nagy differentiable functions with high exponent of smoothness за авторством A. S. Serdiuk, I. V. Sokolenko

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Order Estimates for the Best Approximations and Approximations by Fourier Sums of the Classes of (ψ, β)-Differential Functions за авторством U. Z. Hrabova, A. S. Serdiuk

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Lebesgue-type inequalities for the de la Vallйe-poussin sums on sets of entire functions за авторством A. P. Musiienko, A. S. Serdiuk

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Lebesgue-type inequalities for the de la Valee-Poussin sums on sets of analytic functions за авторством A. P. Musiienko, A. S. Serdiuk

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Estimates from below for Kolmogorov widths in classes of Poisson integral за авторством A. S. Serdiuk, V. V. Bodenchuk

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Estimates of uniform approximations by Zygmund sums on classes of convolutions of periodic functions за авторством A. S. Serdiuk, U. Z. Hrabova

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Approximation by linear methods of classes of (ш,в)−differentiable functions за авторством A. S. Serdiuk, I. V. Sokolenko

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