%0 Journal Article
%A N. I. Vasilyev
%A Yu. A. Klokov
%T The solvability of boundary value problems in the small
%J Differencialʹnye uravneniâ
%D 1973
%P 1187-1194
%V 9
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_7_a2/
%G ru
%F DE_1973_9_7_a2