Existence of periodic solutions for nonautonomous second-order discrete Hamiltonian systems
Crossref DOI link: https://doi.org/10.1186/s13662-016-1036-7
Published Online: 2016-11-29
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wang, Da-Bin
Xie, Hua-Fei
Guan, Wen
License valid from 2016-11-29
