Conformal invariance and Hojman conservedquantities of first order Lagrange systems
陈向炜, 刘畅, 梅凤翔
Conformal invariance and Hojman conservedquantities of first order Lagrange systems
Chen Xiang-Wei(陈向炜), Liu Chang(刘畅), and Mei Feng-Xiang (梅凤翔)
中国物理B . 2008, (9): 3180 -3184 .  DOI: 10.1088/1674-1056/17/9/004