TY  - JOUR
AU  - B. M. Peretyagin
TI  - On the number of limit cycles of equation $\frac{dy}{dx}=\frac{cx+dy+P(x,y)}{ax+by+Q(x,y)}$ where $P(x,y)$ and $Q(x,y)$ are homogeneous polynomials of degree~$n$
JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 29
EP  - 32
VL  - 114
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_114_1_a6/
LA  - ru
ID  - DAN_1957_114_1_a6
ER  -