Wang Xiao-Xiao, Sun Xian-Ting, Zhang Mei-Ling, Xie Yin-Li, Jia Li-Qun. Noether symmetry and Noether conserved quantity of Nielsen equation in a dynamical system of the relative motion with nonholonomic constraint of Chetaev's typeJ. Acta Physica Sinica, 2012, 61(6): 064501. DOI: 10.7498/aps.61.064501