%0 Journal Article %A R. Oinarov %T Two-sided norm estimates for certain classes of integral operators %J Informatics and Automation %D 1993 %P 240-250 %V 204 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1993_204_a12/ %G ru %F TRSPY_1993_204_a12