TY - JOUR AU - G. O. Yaroshevich TI - A~method of successive approximations for periodic solutions of differential equations of nonlinear vibrations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1969 SP - 114 EP - 125 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1969_5_a13/ LA - ru ID - IVM_1969_5_a13 ER -