Утесов , А. . “ON OPTIMAL RECOVERY OF FUNCTIONS FROM THE KOROBOV CLASS IN THE FRAMEWORK OF C(N)D – STATEMENT”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, vol. 70, no. 2, June 2020, pp. 129-35, doi:10.51889/2020-2.1728-7901.19 .