TY  - JOUR
AU  - Ya. V. Bykov
AU  - R. Kabulov
TI  - The periodic oscillations with large amplitude of certain classes of nonlinear systems
JO  - Differencialʹnye uravneniâ
PY  - 1972
SP  - 223
EP  - 229
VL  - 8
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1972_8_2_a2/
LA  - ru
ID  - DE_1972_8_2_a2
ER  -