共 50 条
- [35] Existence of periodic solutions for a class of second order Hamiltonian systems BOUNDARY VALUE PROBLEMS, 2015,
- [36] Existence of periodic solutions for a class of second order Hamiltonian systems Boundary Value Problems, 2015
- [38] Periodic solutions for a kind of second-order Hamiltonian Systems WAVELET ACTIVE MEDIA TECHNOLOGY AND INFORMATION PROCESSING, VOL 1 AND 2, 2006, : 606 - +
- [40] Periodic solutions of a class of forced second order Hamiltonian systems PROCEEDINGS OF THE SECOND ASIAN MATHEMATICAL CONFERENCE 1995, 1998, : 310 - 315