@inproceedings{a.1902über, title={Über Abel's Verallgemeinerung der binomischen Formel}, author={A. Hurwitz}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203010599076102}, booktitle={Acta Mathematica}, volume={26}, number={1}, pages={199-203}, year={1902}, }