%0 Journal Article
%A V. K. Romanko
%T Solvability of boundary value problems for higher order operator-differential equations
%J Differencialʹnye uravneniâ
%D 1978
%P 1081-1092
%V 14
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1978_14_6_a13/
%G ru
%F DE_1978_14_6_a13