@inproceedings{ping2013on,
  title={On an algebraic formula and applications to group action on manifolds},
  author={Ping Li, and Kefeng Liu},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221111513106352654},
  booktitle={Asian Journal of Mathematics},
  volume={17},
  number={2},
  pages={383-390},
  year={2013},
}
             
            
                
Ping Li, and Kefeng Liu. On an algebraic formula and applications to group action on manifolds. 2013. Vol. 17. In Asian Journal of Mathematics. pp.383-390. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221111513106352654.