%0 Journal Article %A N. V. Voropaeva %A V. A. Sobolev %T A constructive method for splitting nonlinear singularly perturbed differential systems %J Differencialʹnye uravneniâ %D 1995 %P 569-578 %V 31 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_4_a1/ %G ru %F DE_1995_31_4_a1