TY - JOUR AU - N. V. Voropaeva AU - V. A. Sobolev TI - A constructive method for splitting nonlinear singularly perturbed differential systems JO - Differencialʹnye uravneniâ PY - 1995 SP - 569 EP - 578 VL - 31 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1995_31_4_a1/ LA - ru ID - DE_1995_31_4_a1 ER -