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- [32] Infinitely Many Periodic Solutions for a Class of Second-order Hamiltonian Systems ACTA MATHEMATICAE APPLICATAE SINICA-ENGLISH SERIES, 2016, 32 (01): : 231 - 238
- [33] Existence of periodic solutions for nonautonomous second-order discrete Hamiltonian systems ADVANCES IN DIFFERENCE EQUATIONS, 2016,
- [37] Existence of periodic solutions for nonautonomous second-order discrete Hamiltonian systems Advances in Difference Equations, 2016