TY  - JOUR
AU  - V. I. Voilokov
TI  - Periodic solutions of non-linear oscillatory systems with one degree of freedom
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1964
SP  - 19
EP  - 27
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1964_1_a3/
LA  - ru
ID  - IVM_1964_1_a3
ER  -