@inproceedings{g.1884démonstration,
title={Démonstration nouvelle du théorème de Laurent},
author={G. Mittag-Leffler},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202932391387768},
booktitle={Acta Mathematica},
volume={4},
number={1},
pages={80-88},
year={1884},
}