中国科学院数学与系统科学研究院期刊网
P-symmetric Subharmonic Solutions for Nonlinear Hamiltonian Systems
Duan Zhi ZHANG, Zhi Hao ZHAO
Acta Mathematica Sinica . 2024, (6): 1388 -1408 .  DOI: 10.1007/s10114-024-2752-7