%0 Journal Article %A K. I. Chernyshov %T A method for standard splitting of singularly perturbed %J Doklady Akademii Nauk %D 1990 %P 1311-1316 %V 311 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_311_6_a7/ %G ru %F DAN_1990_311_6_a7