对称超二次二阶哈密尔顿系统的周期解

陈义安, 李凤英

Periodic Solutions for Symmetric Superquadratic Second Order Hamiltonian Systems

Yi An CHEN, Feng Ying LI

数学学报 . 2010, (4): 827 -832 . DOI: 10.12386/A2010sxxb0092