TY  - JOUR
AU  - K. S. Sibirskii
AU  - A. S. Şubă
TI  - Coefficient conditions for a center in the sense of Dulac for a differential system with one zero characteristic root and cubic right-hand sides
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 799
EP  - 803
VL  - 303
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_303_4_a6/
LA  - ru
ID  - DAN_1988_303_4_a6
ER  -