%0 Journal Article %A V. F. Butuzov %A A. F. Karashchuk %T One singularly perturbed system of partial differential equations of the first order %J Matematičeskie zametki %D 1995 %P 338-349 %V 57 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1995_57_3_a2/ %G ru %F MZM_1995_57_3_a2