@inproceedings{vito1903sur, title={Sur la stratification d’une masse fluide en équilibre}, author={Vito Volterra}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203012313884118}, booktitle={Acta Mathematica}, volume={27}, number={1}, pages={105-124}, year={1903}, }