%0 Journal Article
%A V. D. Ponomarev
%T Existence of a solution of a two-point boundary value problem for a system of first-order ordinary differential equations
%J Differencialʹnye uravneniâ
%D 1983
%P 1880-1884
%V 19
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_11_a6/
%G ru
%F DE_1983_19_11_a6