Pseudo analytical solution to time periodic stiffness systems
王延忠, 周元子
Pseudo analytical solution to time periodic stiffness systems
Wang Yan-Zhong(王延忠) and Zhou Yuan-Zi(周元子)
中国物理B . 2011, (4): 40501 -040501 .  DOI: 10.1088/1674-1056/20/4/040501