On limit cycles of piecewise differential systems formed by arbitrary linear systems and a class of quadratic systems von Aziza Berbache

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Maximum number of limit cycles for generalized Liénard polynomial differential systems von Aziza Berbache, Ahmed Bendjeddou, Sabah Benadouane

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Explicit Non Algebraic Limit Cycle for a Discontinuous Piecewise Differential Systems Separated by One Straight Line and Formed by Linear Center and Linear System Without Equilibri... von Berbache, Aziza

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Limit Cycles for a Class of Polynomial Differential Systems Via Averaging Theory von Ahmed, Bendjeddou, Aziza, Berbache, Abdelkrim, Kina

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Four crossing limit cycles of a family of discontinuous piecewise linear systems with three zones separated by two parallel straight lines von Berbache, Aziza, Tababouchet, Ines

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Non-algebraic crossing limit cycle for discontinuous piecewise differential systems formed by a linear system without equilibrium points and quadratic isochronous centers at the or... von Benadouane, Sabah, Bendjeddou, Ahmed, Berbache, Aziza

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Two Non Algebraic Limit Cycles of a Class of Polynomial Differential Systems with Non-Elementary Equilibrium Point von Benadouane, Sabah, Berbache, Aziza, Bendjeddou, Ahmed

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A class of differential systems of even degree with exact non-algebraic limit cycles von Kina, Abdelkrim, Berbache, Aziza, Bendjeddou, Ahmed

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