@inproceedings{zhuo2013poisson,
title={Poisson 2 groups},
author={Zhuo Chen, Mathieu Stienon, and Ping Xu},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20180330214225064756007},
booktitle={Journal of Differential Geometry},
volume={94},
number={2},
pages={209-240},
year={2013},
}