典型微扰力学系统的近似Lie对称性、近似Noether对称性和近似Mei对称性
楼智美, 王元斌, 谢志堃
Approximate Lie Symmetries, Approximate Noether Symmetries and Approximate Mei Symmetries of Typical Perturbed Mechanical System
LOU Zhimei, WANG Yuanbin, XIE Zhikun
北京大学学报（自然科学版）
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2016, (4): 681
-686
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DOI: 10.13209/j.0479-8023.2016.080
