Cite
HARVARD Citation
Wang, Z. et al. (2021). A unified approach to periodic solutions for a class of non-autonomous second order Hamiltonian systems. Nonlinear analysis. p. . [Online].
This is an interim version of our Electronic Legal Deposit Catalogue-eJournals and eBooks while we continue to recover from a cyber-attack.
Wang, Z. et al. (2021). A unified approach to periodic solutions for a class of non-autonomous second order Hamiltonian systems. Nonlinear analysis. p. . [Online].