%0 Journal Article %A A. A. Shishkin %T Asymptotic behavior of the solution of certain problems with singular perturbations for systems of linear ordinary differential equations %J Differencialʹnye uravneniâ %D 1974 %P 1430-1442 %V 10 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_8_a10/ %G ru %F DE_1974_10_8_a10