%0 Journal Article %A A. A. Kalybay %T Two-sided estimates of norms of a class of matrix operators %J Matematičeskie trudy %D 2021 %P 37-45 %V 24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2021_24_2_a2/ %G ru %F MT_2021_24_2_a2