%0 Journal Article %A Yu. A. Dubinskii %T Boundary value problems for some classes of high-order differential operator equations %J Doklady Akademii Nauk %D 1971 %P 32-34 %V 196 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_196_1_a6/ %G ru %F DAN_1971_196_1_a6