%0 Journal Article %A V. V. Gudkov %T Solvability of a general boundary value problem as a consequence of the solvability of an elementary two-point boundary value problem %J Differencialʹnye uravneniâ %D 1978 %P 1935-1940 %V 14 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_11_a1/ %G ru %F DE_1978_14_11_a1