@inproceedings{n.1911fractions,
title={Fractions continues et différences réciproques},
author={N. E. Nörlund},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203023262139207},
booktitle={Acta Mathematica},
volume={34},
number={1},
pages={1-108},
year={1911},
}