Structure-preserving algorithms for the Duffing equation
冮铁强, 梅凤翔, 解加芳
Structure-preserving algorithms for the Duffing equation
Gang Tie-Qiang(冮铁强), Mei Feng-Xiang(梅凤翔), and Xie Jia-Fang(解加芳)
中国物理B . 2008, (10): 3623 -3628 .  DOI: 10.1088/1674-1056/17/10/015