@inproceedings{a.1916zwei,
title={Zwei Beweise Eines von Herrn Fatou Vermuteten Satzes},
author={A. Hurwitz, and G. Pólya},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203031493916269},
booktitle={Acta Mathematica},
volume={40},
number={1},
pages={179-183},
year={1916},
}