%0 Journal Article %A Kh. Sh. Mukhtarov %T On a family of function spaces invariant with respect to singular linear operators %J Doklady Akademii Nauk %D 1973 %P 529-531 %V 213 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_213_3_a7/ %G ru %F DAN_1973_213_3_a7