%0 Journal Article %A V. S. Guliev %T Some classes of anisotropic integral operators and weighted %J Doklady Akademii Nauk %D 1989 %P 1289-1293 %V 304 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_304_6_a0/ %G ru %F DAN_1989_304_6_a0