SYMMETRIES OF MECHANICAL SYSTEMS WITH NONLINEAR NONHOLONOMIC CONSTRAINTS
郭永新, 姜丽妍, 于莹
SYMMETRIES OF MECHANICAL SYSTEMS WITH NONLINEAR NONHOLONOMIC CONSTRAINTS
Guo Yong-xin (郭永新), Jiang Li-yan (姜丽妍), Yu Ying (于莹)
中国物理B . 2001, (3): 181 -185 .  DOI: 10.1088/1009-1963/10/3/302