@inproceedings{v.1906recherche,
title={Recherche sur les champs de force hydrodynamiques},
author={V. Bjerknes},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203018337903169},
booktitle={Acta Mathematica},
volume={30},
number={1},
pages={99-143},
year={1906},
}