@inproceedings{e.1909sur,
title={Sur les ensembles finis et le principe de l'induction complète},
author={E. Zermelo},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203021600862194},
booktitle={Acta Mathematica},
volume={32},
number={1},
pages={185-193},
year={1909},
}