Form invariance and new conserved quantity of generalised Birkhoffian system
梅凤翔, 吴惠彬
Form invariance and new conserved quantity of generalised Birkhoffian system
Mei Feng-Xiang(梅凤翔) and Wu Hui-Bin(吴惠彬)
中国物理B . 2010, (5): 50301 -050301 .  DOI: 10.1088/1674-1056/19/5/050301