TY  - JOUR
AU  - A. V. Pukhlikov
TI  - Geometry of discontinuous systems near an elliptic singularity
JO  - Differencialʹnye uravneniâ
PY  - 1999
SP  - 1496
EP  - 1510
VL  - 35
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1999_35_11_a8/
LA  - ru
ID  - DE_1999_35_11_a8
ER  -