TY - JOUR AU - M. M. Aripov AU - D. S. Echmatov TI - Asymptotic representations of solutions of a class of second-order nonlinear differential equations JO - Differencialʹnye uravneniâ PY - 1996 SP - 723 EP - 730 VL - 32 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1996_32_6_a0/ LA - ru ID - DE_1996_32_6_a0 ER -