%0 Journal Article %A Yu. M. Vahromeev %A V. M. Kornev %T Boundary value problems with a small parameter for ordinary linear differential equations %J Differencialʹnye uravneniâ %D 1977 %P 1163-1170 %V 13 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_7_a0/ %G ru %F DE_1977_13_7_a0