[1]
Джумабаева, А. and Жетписбаева, А. 2021. THE ORDER OF THE BEST APPROXIMATION OF FUNCTIONS IN LEBESQUE SPACE. Bulletin of the Abai KazNPU, the series of "Physical and Mathematical Sciences". 69, 1 (Jun. 2021), 43–51. DOI:https://doi.org/10.51889/2020-1.1728-7901.07.