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"Periodic solutions of some fourth-order nonlinear differential equations."
Qiyi Fan, Wentao Wang, Jinglei Zhou (2009)
- Qiyi Fan, Wentao Wang, Jinglei Zhou:
Periodic solutions of some fourth-order nonlinear differential equations. J. Comput. Appl. Math. 233(2): 121-126 (2009)
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