TY  - JOUR
AU  - V. S. Medvedev
AU  - E. L. Fedorov
TI  - The number of limit cycles in dynamical systems close to Hamiltonian systems
JO  - Differencialʹnye uravneniâ
PY  - 1996
SP  - 1140
EP  - 1141
VL  - 32
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1996_32_8_a18/
LA  - ru
ID  - DE_1996_32_8_a18
ER  -