TY  - JOUR
AU  - M. V. Dolov
AU  - Yu. V. Pavlyuk
TI  - Elliptic Limit Cycles of Two-Dimensional Autonomous Differential Systems
JO  - Differencialʹnye uravneniâ
PY  - 2002
SP  - 1303
EP  - 1309
VL  - 38
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_2002_38_10_a1/
LA  - ru
ID  - DE_2002_38_10_a1
ER  -