The Lie symmetries and Noether conserved quantities of discrete mechanical systems with variable mass

施沈阳, 傅景礼, 黄晓虹, 陈立群, 张晓波

Shi Shen-Yang(施沈阳), Fu Jing-Li(傅景礼), Huang Xiao-Hong(黄晓虹), Chen Li-Qun(陈立群), and Zhang Xiao-Bo(张晓波)

中国物理B . 2008, (3): 754 -758 . DOI: 10.1088/1674-1056/17/3/003