%0 Journal Article %A N. Kh. Rozov %A T. R. Gichev %T Singularly perturbed problems with a minimal pulse %J Differencialʹnye uravneniâ %D 1983 %P 259-269 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_2_a6/ %G ru %F DE_1983_19_2_a6