TY  - JOUR
AU  - V. I. Bulgakov
TI  - The phase portrait of a third-order autonomous system
JO  - Differencialʹnye uravneniâ
PY  - 1988
SP  - 1821
EP  - 1822
VL  - 24
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1988_24_10_a21/
LA  - ru
ID  - DE_1988_24_10_a21
ER  -