TY  - JOUR
AU  - P. A. Shaikhullina
TI  - About formal normal form of the semi-hyperbolic maps germs on the plane
JO  - The Bulletin of Irkutsk State University. Series Mathematics
PY  - 2021
SP  - 54
EP  - 64
VL  - 38
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IIGUM_2021_38_a3/
LA  - ru
ID  - IIGUM_2021_38_a3
ER  -