%0 Journal Article %A A. B. Vasil'eva %A V. A. Esipova %T The extension of the class of conditionally stable singularly perturbed systems that admit application of the method of boundary functions %J Differencialʹnye uravneniâ %D 1975 %P 1159-1174 %V 11 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_7_a1/ %G ru %F DE_1975_11_7_a1