A potential integration method for Birkhoffian system
胡楚勒, 解加芳
A potential integration method for Birkhoffian system
Hu Chu-Le(胡楚勒) and Xie Jia-Fang(解加芳)
中国物理B . 2008, (4): 1153 -1155 .  DOI: 10.1088/1674-1056/17/4/001