TY - JOUR AU - V. I. Zubov TI - Periodic and almost periodic forced oscillations arising from the action of an external force JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1960 SP - 93 EP - 102 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1960_6_a9/ LA - ru ID - IVM_1960_6_a9 ER -