@inproceedings{r.1895sur,
title={Sur les équations de la dynamique},
author={R. Liouville},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202959869388014},
booktitle={Acta Mathematica},
volume={19},
number={1},
pages={251-283},
year={1895},
}