On an estimate of the number of limit cycles in a quadratic system

By Cherkas L.  

Differential Equations, Vol. 43, Iss. 5, 2007-05 ,pp. : 643-655

MAIK Nauka/Interperiodica

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A Precise Estimate of the Number of Limit Cycles of Autonomous Systems on the Plane

By Cherkas L. A.  

Differential Equations, Vol. 39, Iss. 6, 2003-06 ,pp. : 797-806

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How to estimate the number of limit cycles in Lienard systems with a small parameter

By Cherkas L.   Malysheva O.  

Differential Equations, Vol. 47, Iss. 2, 2011-02 ,pp. : 224-230

MAIK Nauka/Interperiodica

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An upper estimate for the number of limit cycles of even-degree Liénard equations in the focus case

By Kolutsky G.  

Journal of Dynamical and Control Systems, Vol. 17, Iss. 2, 2011-04 ,pp. : 231-241

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Existence, number, and stability of limit cycles in weakly dissipative, strongly nonlinear oscillators

By Bonnin Michele  

Nonlinear Dynamics, Vol. 62, Iss. 1-2, 2010-10 ,pp. : 321-332

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