@inproceedings{feng1997conformal,
title={Conformal embedding of a disc with a Lorentz metric into the plane},
author={Feng Luo, and Richard Stong},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224205950573146380},
booktitle={Mathematische Annalen},
volume={309},
number={3},
pages={359-373},
year={1997},
}
Feng Luo, and Richard Stong. Conformal embedding of a disc with a Lorentz metric into the plane. 1997. Vol. 309. In Mathematische Annalen. pp.359-373. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224205950573146380.