TY  - JOUR
AU  - E. K. Makarov
TI  - On the properties of bogdanov perturbations of linear differential systems
JO  - Differencialʹnye uravneniâ
PY  - 2006
SP  - 275
EP  - 277
VL  - 42
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_2006_42_2_a16/
LA  - ru
ID  - DE_2006_42_2_a16
ER  -