MathSciDoc: An Archive for Mathematician ∫

@inproceedings{wen-ling2006positivity,
  title={Positivity of the Bondi mass in Bondi's radiating spacetimes},
  author={Wen-ling Huang, Shing-Tung Yau, and Xiao Zhang},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204522448816188},
  booktitle={arXiv preprint math/0604155},
  year={2006},
}