%0 Journal Article %A È. L. Radzhabov %T A generalization of operators of fractional integration and %J Doklady Akademii Nauk %D 1990 %P 533-535 %V 315 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_315_3_a3/ %G ru %F DAN_1990_315_3_a3