KALYBAY, A.; SHALGINBAYEVA, S. Estimate of the Best Constant of Discrete Hardy-Type Inequality with Matrix Operator Satisfying the Oinarov Condition. Eurasian Mathematical Journal, [S. l.], v. 15, n. 2, p. 42–47, 2024. Disponível em: https://emj.enu.kz/index.php/main/article/view/341. Acesso em: 21 nov. 2024.