%0 Journal Article %A Yu. A. Dubinskii %T On some differential-operator equations of a general kind %J Doklady Akademii Nauk %D 1971 %P 1033-1036 %V 201 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_201_5_a5/ %G ru %F DAN_1971_201_5_a5