@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}, }