SerdyukA. S. and SokolenkoI. V. (2010) “Linear approximation methods and the best approximations of the Poisson integrals of functions from the classes $H_{ω_p}$ in the metrics of the spaces $L_p$”, Ukrains’kyi Matematychnyi Zhurnal, 62(7), pp. 979–996. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2930 (Accessed: 23November2024).