ДЖУМАБАЕВА, А.; ЖЕТПИСБАЕВА, А. . THE ORDER OF THE BEST APPROXIMATION OF FUNCTIONS IN LEBESQUE SPACE. Bulletin of Abai KazNPU. Series of Physical and mathematical sciences, Алматы, Казахстан, v. 69, n. 1, p. 43–51, 2021. DOI: 10.51889/2020-1.1728-7901.07. Disponível em: https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/106. Acesso em: 22 nov. 2024.