TY  - JOUR
AU  - A. I. Perov
TI  - Investigation in the neighborhood of a singular point of a multi-dimensional differential equation in the analytic case
JO  - Doklady Akademii Nauk
PY  - 1966
SP  - 544
EP  - 547
VL  - 166
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1966_166_3_a9/
LA  - ru
ID  - DAN_1966_166_3_a9
ER  -