TY - JOUR AU - A. M. Molchanov TI - Subdivision of motions and asymptotic methods in the theory of nonlinear oscillations JO - Doklady Akademii Nauk PY - 1961 SP - 1030 EP - 1033 VL - 136 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_136_5_a6/ LA - ru ID - DAN_1961_136_5_a6 ER -