TY  - JOUR
AU  - I. M. Burkin
AU  - G. A. Leonov
TI  - Existence of periodic solutions to a third-order nonlinear system
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 2036
EP  - 2042
VL  - 20
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_12_a1/
LA  - ru
ID  - DE_1984_20_12_a1
ER  -