TY - JOUR AU - A. Kalybay AU - S. Shalginbayeva TI - Estimate of the best constant of discrete Hardy-type inequality with matrix operator satisfying the Oinarov condition JO - Eurasian mathematical journal PY - 2024 SP - 42 EP - 47 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2024_15_2_a2/ LA - en ID - EMJ_2024_15_2_a2 ER -