A new type of conserved quantity of Lie symmetry for the Lagrange system
方建会
A new type of conserved quantity of Lie symmetry for the Lagrange system
Fang Jian-Hui(方建会)
中国物理B . 2010, (4): 40301 -040301 .  DOI: 10.1088/1674-1056/19/4/040301