Velocity-dependent symmetries and conserved quantities of the constrained dynamical systems

傅景礼, 陈立群, 杨晓东

Fu Jing-Li (傅景礼), Chen Li-Qun (陈立群), Yang Xiao-Dong (杨晓东)

中国物理B . 2004, (3): 287 -291 . DOI: 10.1088/1009-1963/13/3/004