TY  - JOUR
AU  - Yu. N. Bibikov
TI  - Quasiperiodic perturbations of an oscillator with a cubic restorative force
JO  - Differencialʹnye uravneniâ
PY  - 1996
SP  - 1593
EP  - 1598
VL  - 32
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1996_32_12_a1/
LA  - ru
ID  - DE_1996_32_12_a1
ER  -