Касым, А. “ON A COERCIVE ESTIMATE IN SPACES OF MULTIPLIERS”. Bulletin of Abai KazNPU. Series of Physical and mathematical sciences 82, no. 2 (June 27, 2023): 22–29. Accessed November 22, 2024. https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/1617.