@inproceedings{p.1915henri, title={Henri Poincaré, en mathématiques spéciales à Nancy}, author={P. Appell}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203029522069255}, booktitle={Acta Mathematica}, volume={38}, number={1}, pages={189-195}, year={1915}, }