%0 Journal Article %A V. F. Butuzov %T Singularly perturbed systems of reaction-diffusion-transport type %J Differencialʹnye uravneniâ %D 1993 %P 833-845 %V 29 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_5_a12/ %G ru %F DE_1993_29_5_a12