@inproceedings{po-ning2016quasi-local, title={Quasi-local energy with respect to a static spacetime}, author={Po-Ning Chen, Mu-Tao Wang, Ye-Kai Wang, and Shing-Tung Yau}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160820170636778960334}, year={2016}, }