@inproceedings{po-ning2015conserved,
title={Conserved quantities in general relativity: from the quasi-local level to spatial infinity},
author={Po-Ning Chen, Mu-Tao Wang, and Shing-Tung Yau},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160820152944728260325},
booktitle={Communications in Mathematical Physics},
volume={338},
number={1},
pages={31–80},
year={2015},
}

Po-Ning Chen, Mu-Tao Wang, and Shing-Tung Yau. Conserved quantities in general relativity: from the quasi-local level to spatial infinity. 2015. Vol. 338. In Communications in Mathematical Physics. pp.31–80. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160820152944728260325.