Калыбай, А.А., and А.М. Темірханова. “BOUNDEDNESS OF ONE CLASS OF THE MATRIX OPERATORS IN WEIG”. Bulletin of Abai KazNPU. Series of Physical and mathematical sciences 69, no. 1 (June 3, 2021): 128–133. Accessed November 22, 2024. https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/222.