@inproceedings{xin2014mass,
title={Mass angular momentum inequality for axisymmetric vacuum data with small trace},
author={Xin Zhou},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20161010163808002710113},
booktitle={ Communication in Analysis and Geometry},
volume={22},
number={3},
pages={519-571},
year={2014},
}
Xin Zhou. Mass angular momentum inequality for axisymmetric vacuum data with small trace. 2014. Vol. 22. In Communication in Analysis and Geometry. pp.519-571. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20161010163808002710113.