TY  - JOUR
AU  - A. A. Grin'
TI  - Reduction to transversality of curves in the construction of a Dulac function
JO  - Differencialʹnye uravneniâ
PY  - 2006
SP  - 840
EP  - 843
VL  - 42
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_2006_42_6_a12/
LA  - ru
ID  - DE_2006_42_6_a12
ER  -