TY  - JOUR
AU  - A. I. Yablonskii
TI  - The qualitative behavior of the trajectories of a certain class of differential systems
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 279
EP  - 285
VL  - 7
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_2_a9/
LA  - ru
ID  - DE_1971_7_2_a9
ER  -