On boundary values of three-harmonic Poisson integral on the boundary of a unit disk

von S. B. Hembarska
Veröffentlicht 2018

Best orthogonal trigonometric approximations of the Nikol'skii–Besov-type classes of periodic functions in the space B∞,1

von S. B. Hembarska, P. V. Zaderei
Veröffentlicht 2022

Widths of the classes BΩr,θ of periodic functions of many variables in the space B1,1

von M. V. Hembarskyi, S. B. Hembarska
Veröffentlicht 2018

Linear and Kolmogorov widths of the classes BΩp,θ of periodic functions of one and several variables

von M. V. Hembarskyi, S. B. Hembarska
Veröffentlicht 2020

Approximate characteristics of the classes BΩ,p,θ of periodic functions of one variable and many ones

von M. V. Hembarskyi, S. B. Hembarska
Veröffentlicht 2019

Approximative properties of biharmonic Poisson integrals on Hölder classes

von S. B. Hembarska, K. M. Zhyhallo
Veröffentlicht 2017

Approximation characteristics of the Nikol'sky-Besov-type classes of periodic single- and multivariable functions in the B_

von S. B. Hembarska, O. V. Fedunyk-Yaremchuk
Veröffentlicht 2021

Characteristics of the linear and nonlinear approximations of the Nikol'skii-Besov-type classes of periodic functions of several variables

von S. B. Hembarska, I. A. Romaniuk, O. V. Fedunyk-Yaremchuk
Veröffentlicht 2023