TY  - JOUR
AU  - A. N. Berlinskii
TI  - On the question of the structure of the vicinity of a singular point of a two-dimensional autonomous system
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 502
EP  - 505
VL  - 187
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_187_3_a5/
LA  - ru
ID  - DAN_1969_187_3_a5
ER  -