On the best approximation by "angles" in the mean on the plane R2 with the Chebyshev-Hermite weight von S. B. Vakarchuk, A. V. Shvachko

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Pade approximants of series connected with bilinear transformations von N. M. Havryliuk, A. P. Holub

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On Lebesgue continuity on classes of ш-differentiable functions von M. V. Haievskyi

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Two-dimensional Padé type approximants for some analytic functions of two variables von A. P. Holub, H. M. Veselovska

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Construction of Padй approximants for Lauricella series by method of generalized moment representations von A. P. Holub, L. O. Chernetska

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Solution of the Kolmogorov-Nikol'skii problem for three-harmonic Poisson integrals on classes Cψ(β,∞) von U. Z. Hrabova, I. V. Kalchuk

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Estimations of linear widths of the classes HΩp periodic functions of many variables in the space Lq von N. V. Derevianko

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Estimates of orthoprojection widths of classes BΩ(p,θ) of periodic functions of several variables with given majorant of mixed moduli of continuity von A. F. Konohrai, O. V. Fedunyk-Yaremchuk

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Spectral analysis of two star graph with infinite chains von V. O. Lebid

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On the quantum anharmonic oscillator and Pade approximations von V. A. Babenko, N. M. Petrov

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On uniform deviation from the space of continuous function von V. K. Masliuchenko, V. S. Melnyk

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Majorants of remainders of Taylor series of bounded holomorphic functions von Yu. Meremelia, V. V. Savchuk

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Mean value theorem von E. I. Radzievskaja

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Estimates of the entropy numbers and е-entropy of the Nikol'skii-Besov classes of periodic functions of several variables von A. S. Romanjuk

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Faber polynomials with common roots von V. V. Savchuk

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Approximation by step-hyperbolic Fourier sums of classes MBщ(1,и)(ד) von S. A. Stasiuk

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Estimates for the best approximations and approximation by Fourier sums of classes of convolutions of periodic functions of not high smoothness in integral metrics von T. A. Stepaniuk

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Imbedding theorems for sets LψLM and approximation by Fourier sums von S. O. Chaichenko

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Order estimates of functionals in terms of which the best n-term approximations of classes Fш(q,r) are expressed von A. L. Shydlich

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Best orthogonal trigonometric approximations of functions from classes Lш(в,1) von V. V. Shkapa

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