%0 Journal Article
%A V. K. Romanko
%T Boundary value problems for a certain class of differential operators
%J Differencialʹnye uravneniâ
%D 1974
%P 117-131
%V 10
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1974_10_1_a13/
%G ru
%F DE_1974_10_1_a13