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中国科学院数学与系统科学研究院期刊网
ISSN 0168-9673 CN 11-2041/O1
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Infinitely Many Periodic Solutions for a Class of Second-order Hamiltonian Systems
Ming-hai YANG, Yue-fen CHEN, Yan-fang XUE
Acta Mathematicae Applicatae Sinica(English Series) . 2016, (
1
): 231 -238 . DOI: 10.1007/s10255-016-0552-2