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MATHEMATICS
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 $n$
B. M. Peretyagin Smolensk State Pedagogical Institute
Citation:
B. M. Peretyagin, “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 $n$”, Dokl. Akad. Nauk SSSR, 114:1 (1957), 29–32
Linking options:
https://www.mathnet.ru/eng/dan21900 https://www.mathnet.ru/eng/dan/v114/i1/p29
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