@inproceedings{h.1882théorie, title={Théorie des groupes fuchsiens}, author={H. Poincaré}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202926164317711}, booktitle={Acta Mathematica}, volume={1}, number={1}, pages={1-62}, year={1882}, }