Multiple periodic solutions for non-canonical Hamiltonian systems with application to differential delay equations
Crossref DOI link: https://doi.org/10.1007/s11425-014-4829-8
Published Online: 2014-05-21
Published Print: 2014-08
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Cheng, Rong
Xu, JunXiang
Zhang, FuBao
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