TY - JOUR AU - A. A. Kalybay TI - Two-sided estimates of norms of a class of matrix operators JO - Matematičeskie trudy PY - 2021 SP - 37 EP - 45 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MT_2021_24_2_a2/ LA - ru ID - MT_2021_24_2_a2 ER -