@inproceedings{geoffrey2013chiral,
title={Chiral Liouville Gravity },
author={Geoffrey Compère, Wei Song, and Andrew Strominger},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170228092720226847549},
booktitle={Journal of High Energy Physics},
volume={154},
year={2013},
}