@inproceedings{erik2005steady,
title={Steady periodic capillary waves with vorticity},
author={Erik Wahlén},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203617860043897},
booktitle={Arkiv for Matematik},
volume={44},
number={2},
pages={367-387},
year={2005},
}