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A class of cubic differential systems with 6-tuple focus. (English) Zbl 0712.34044

Author’s abstract: This paper presents a class of cubic differential systems with the origin as a 6-tuple focus from which 6 limit cycles may be constructed. For this class of differential systems the stability of the origin is given.
Reviewer: V.Sree Hari Rao

MSC:

34C05 Topological structure of integral curves, singular points, limit cycles of ordinary differential equations

Keywords:

limit cycles
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References:

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