Dulac-Cherkas function in a neighborhood of a structurally unstable focus of an autonomous polynomial system on the plane

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+	Existence of Multiple Positive Solutions for Nonlinear Fractional Boundary Value Problems on the Half-Line	2015	Faten Toumi Zagharide Zine El Abidine
+	Possibility of conversion of half-linear oscillation results to criteria for equations with Jumarie operator	2018	Zuzana Pátíková
+	Multiple Positive Solutions for a Coupled System of Nonlinear Fractional Differential Equations on the Half-line	2017	Zagharide Zine El Abidine

Works Cited by This (3)

Action	Title	Year	Authors
+	Extrema of the Andronov-Hopf function of a polynomial Lienard system	2005	Alexander Grin L. A. Cherkas
+	Bendixson-Dulac criterion and reduction to global uniqueness in the problem of estimating the number of limit cycles	2010	L. A. Cherkas Alexander Grin
+	Spline approximations in the problem of estimating the number of limit cycles of autonomous systems on the plane	2006	L. A. Cherkas Alexander Grin