E. M. Landis, I. G. Petrovskii, “On the number of limit cycles of equation $\frac{dy}{dx}=\frac{P(x,y)}{Q(x,y)}$, in which $P$ and $Q$ are polynomials of degree $n$”, Dokl. Akad. Nauk SSSR, 1957, Volume 113, Number 4,Pages 748

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Dokl. Akad. Nauk SSSR, 1957 Volume 113, Number 4, Pages 748–751 (Mi dan21787)

MATHEMATICS

On the number of limit cycles of equation $\frac{dy}{dx}=\frac{P(x,y)}{Q(x,y)}$, in which $P$ and $Q$ are polynomials of degree $n$

E. M. Landis, I. G. Petrovskii

Received: 11.03.1957

Fulltext: PDF file (530 kB)

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