@inproceedings{philip1922a, title={A proof that every aggregate can be well-ordered}, author={Philip E. B. Jourdain}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203036852611313}, booktitle={Acta Mathematica}, volume={43}, number={1}, pages={239-261}, year={1922}, }