TY  - JOUR
AU  - V. V. Amel'kin
AU  - V. È. Zhavnerchik
TI  - Periodic solutions of the Li\'enard equation
JO  - Differencialʹnye uravneniâ
PY  - 1988
SP  - 1659
EP  - 1662
VL  - 24
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1988_24_10_a0/
LA  - ru
ID  - DE_1988_24_10_a0
ER  -