@inproceedings{po-ning2015evaluating,
title={Evaluating small sphere limit of the Wang-Yau quasi-local energy},
author={Po-Ning Chen, Mu-Tao Wang, and Shing-Tung Yau},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160820172436721214336},
year={2015},
}

Po-Ning Chen, Mu-Tao Wang, and Shing-Tung Yau. Evaluating small sphere limit of the Wang-Yau quasi-local energy. 2015. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160820172436721214336.