@inproceedings{o.1949über,
title={Über das Dreikörperproblem},
author={O. Pylarinos},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203125817029690},
booktitle={Acta Mathematica},
volume={81},
number={1},
pages={257-263},
year={1949},
}