%0 Journal Article %A V. A. Tupchiev %T Some singularly perturbed problems of gas dynamics and physical kinetics %J Differencialʹnye uravneniâ %D 1985 %P 1798-1803 %V 21 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_10_a23/ %G ru %F DE_1985_21_10_a23