Mei conserved quantity of Nielsen equation for anon-Chetaev-type non-holonomic system
崔金超, 张耀宇, 贾利群
Mei conserved quantity of the Nielsen equation for a non-Chetaev-type non-holonomic system
Cui Jin-Chao(崔金超), Zhang Yao-Yu(张耀宇) , and Jia Li-Qun(贾利群)
中国物理B . 2009, (5): 1731 -1736 .  DOI: 10.1088/1674-1056/18/5/003