Kalybay A, Shalginbayeva S. Estimate of the Best Constant of Discrete Hardy-Type Inequality with Matrix Operator Satisfying the Oinarov Condition. EMJ [Internet]. 2024 Jul. 15 [cited 2024 Jul. 16];15(2):42-7. Available from: https://emj.enu.kz/index.php/main/article/view/341