%0 Journal Article
%A V. D. Ponomarev
%T Necessary and sufficient conditions for the solvability of a multipoint boundary value problem for a system of first order ordinary differential equations
%J Differencialʹnye uravneniâ
%D 1978
%P 929-931
%V 14
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1978_14_5_a21/
%G ru
%F DE_1978_14_5_a21