@inproceedings{folke1949fast-monotone,
title={Fast-monotone Kettenbrüche},
author={Folke Ryde},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203409236745835},
booktitle={Arkiv for Matematik},
volume={1},
number={1},
pages={27-44},
year={1949},
}