TY  - JOUR
AU  - D. M. Grobman
TI  - The neighborhood of a singular point of a system of differential equations with small non-linearities
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 524
EP  - 526
VL  - 172
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_172_3_a4/
LA  - ru
ID  - DAN_1967_172_3_a4
ER  -