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"Periodic solutions of second order discrete Hamiltonian systems with ..."
Xiaoqing Deng, Haiping Shi, Xiaoliang Xie (2011)
- Xiaoqing Deng, Haiping Shi, Xiaoliang Xie:
Periodic solutions of second order discrete Hamiltonian systems with potential indefinite in sign. Appl. Math. Comput. 218(1): 148-156 (2011)
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