1.
Artamonov S, Runovski K, Schmeisser H-J. Methods of Trigonometric Approximation and Generalized Smoothness. II. EMJ [Internet]. 2022 Jan. 1 [cited 2024 Dec. 22];13(4):18-43. Available from: https://emj.enu.kz/index.php/main/article/view/269