@inproceedings{xiaoyang2020singular,
title={Singular Cotangent Bundle Reduction and Polar Actions},
author={Xiaoyang Chen, and Jianyu Ou},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20210325144716859909761},
booktitle={The Journal of Geometric Analysis},
volume={30},
year={2020},
}
Xiaoyang Chen, and Jianyu Ou. Singular Cotangent Bundle Reduction and Polar Actions. 2020. Vol. 30. In The Journal of Geometric Analysis. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20210325144716859909761.