@inproceedings{richard1979complete,
title={Complete manifolds with nonnegative scalar curvature and the positive action conjecture in general relativity},
author={Richard M Schoen, and Shing-Tung Yau},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204153904565140},
booktitle={Proceedings of the National Academy of Sciences},
volume={76},
number={3},
pages={1024-1025},
year={1979},
}
Richard M Schoen, and Shing-Tung Yau. Complete manifolds with nonnegative scalar curvature and the positive action conjecture in general relativity. 1979. Vol. 76. In Proceedings of the National Academy of Sciences. pp.1024-1025. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204153904565140.