%0 Journal Article %A V. F. Butuzov %A A. V. Nesterov %T Some singularly perturbed problems of hyperbolic type with transition layers %J Differencialʹnye uravneniâ %D 1986 %P 1739-1744 %V 22 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_10_a8/ %G ru %F DE_1986_22_10_a8