Noether symmetry and Lie symmetry of discrete holonomic systems with dependent coordinates

施沈阳, 黄晓虹

Shi Shen-Yang(施沈阳) and Huang Xiao-Hong(黄晓虹)

中国物理B . 2008, (5): 1554 -1559 . DOI: 10.1088/1674-1056/17/5/004