TY - JOUR AU - I. A. Bashkirtseva AU - M. G. Isakova AU - L. B. Ryashko TI - Asymptotic expansion of the quasipotential for a stochastically perturbed nonlinear oscillator JO - Differencialʹnye uravneniâ PY - 1999 SP - 1319 EP - 1324 VL - 35 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1999_35_10_a2/ LA - ru ID - DE_1999_35_10_a2 ER -