Conformal invariance and conserved quantities of non-conservative Lagrange systems by point transformations

刘畅, 梅凤翔, 郭永新

Liu Chang(刘畅), Mei Feng-Xiang(梅凤翔), and Guo Yong-Xin(郭永新)

中国物理B . 2009, (2): 395 -399 . DOI: 10.1088/1674-1056/18/2/003