Analytical solution for strongly nonlinear vibration of a stringer shell by Nadia M Farea, Gamal M Ismail

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Modified Ji-Huan He’s Frequency Formulation for Large-Amplitude Electron Plasma Oscillations by Stylianos Vasileios Kontomaris, Anna Malamou, Ioannis Psychogios, Gamal M. Ismail

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A Novel Methodology for Scrutinizing Periodic Solutions of Some Physical Highly Nonlinear Oscillators by Gamal M. Ismail, Galal M. Moatimid, Stylianos V. Kontomaris, Livija Cveticanin

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A New Approach for Solving Nonlinear Oscillations with an m-Degree Odd-Power Polynomial Restoring Force by Stylianos Vasileios Kontomaris, Gamal M. Ismail, Vassilis Alimisis, Christos Dimas, Anna Malamou

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