New conserved quantities of Noether--Mei symmetry of mechanical system in phase space

方建会, 刘仰魁, 张小妮

Fang Jian-Hui(方建会), Liu Yang-Kui(刘仰魁), and Zhang Xiao-Ni(张小妮)

中国物理B . 2008, (6): 1962 -1966 . DOI: 10.1088/1674-1056/17/6/005