TY - JOUR AU - A. A. Shishkin TI - Asymptotic behavior of the solution of a singular nonlinear system of ordinary differential equations JO - Differencialʹnye uravneniâ PY - 1979 SP - 444 EP - 457 VL - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_3_a8/ LA - ru ID - DE_1979_15_3_a8 ER -