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A cubic Dulac function for a polynomial autonomous system on the plane with right-hand sides that are fourth-order nonlinearities

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References

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  1. Grodno State University, Grodno, Belarus

    A. A. Grin

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  1. A. A. Grin
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Grin, A.A. A cubic Dulac function for a polynomial autonomous system on the plane with right-hand sides that are fourth-order nonlinearities. Diff Equat 36, 625–628 (2000). https://doi.org/10.1007/BF02754259

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