TY  - JOUR
AU  - O. A. Kononova
TI  - The limit cycles of a certain system of nonlinear oscillations
JO  - Differencialʹnye uravneniâ
PY  - 1970
SP  - 1514
EP  - 1515
VL  - 6
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1970_6_8_a21/
LA  - ru
ID  - DE_1970_6_8_a21
ER  -