TY - JOUR AU - A. M. Temirkhanova AU - A. T. Beszhanova TI - Boundedness and compactness of a certain class of matrix operators with variable limits of summation JO - Eurasian mathematical journal PY - 2020 SP - 66 EP - 75 VL - 11 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2020_11_4_a5/ LA - en ID - EMJ_2020_11_4_a5 ER -