TY  - JOUR
AU  - G. A. Leonov
TI  - An analogue of the Bendixson criterion for a third order equation
JO  - Differencialʹnye uravneniâ
PY  - 1977
SP  - 367
EP  - 368
VL  - 13
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1977_13_2_a17/
LA  - ru
ID  - DE_1977_13_2_a17
ER  -