@inproceedings{l.1894sur,
title={Sur la théorie des caisses de pension},
author={L. Lindelöf},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202957510702994},
booktitle={Acta Mathematica},
volume={18},
number={1},
pages={89-95},
year={1894},
}