@inproceedings{ludwig1884beweis,
title={Beweis des Laurent’schen Satzes},
author={Ludwig Scheeffer},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202933629401779},
booktitle={Acta Mathematica},
volume={4},
number={1},
pages={375-380},
year={1884},
}