Cite
HARVARD Citation
Ye, Y. et al. (2014). Infinitely many periodic solutions of non-autonomous second-order Hamiltonian systems. Proceedings. 144 (1), pp. 205-223. [Online].
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Ye, Y. et al. (2014). Infinitely many periodic solutions of non-autonomous second-order Hamiltonian systems. Proceedings. 144 (1), pp. 205-223. [Online].