G. S. Rychkov, “The maximal number of limit cycles of the system $\dot{y}=-x$, $\dot{x}=y-\sum_{i=0}^2a_i x^{2i+1}$ is equal to two”, Differ. Uravn., 1975, Volume 11, Number 2,Pages 390

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Differ. Uravn., 1975 Volume 11, Number 2, Pages 390–391 (Mi de2400)

Short Communications

The maximal number of limit cycles of the system $\dot{y}=-x$, $\dot{x}=y-\sum_{i=0}^2a_i x^{2i+1}$ is equal to two

G. S. Rychkov

Moscow

UDC: 517.925.12

Received: 16.07.1973

Fulltext: PDF file (602 kB)

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