He, Ji-Huan, Shanghai Donghua University, China
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Vol 50, No 1-2 (2002) - Articles
Periodic Solutions for a Kind of Nonlinear Oscillations by a New Asymptotic Approach
Abstract PDF -
Vol 50, No 1-2 (2002) - Articles
Nonlinear Mathieu Equation and its Approximation Without a Small Parameter
Abstract PDF