%0 Journal Article %A Kh. Sh. Mukhtarov %T On some estimates for a singular operator and their applications %J Doklady Akademii Nauk %D 1974 %P 550-552 %V 219 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_219_3_a8/ %G ru %F DAN_1974_219_3_a8