@inproceedings{wilhelm1935über$n$-dimensionale,
title={Über$n$-dimensionale Gittertransformationen},
author={Wilhelm Magnus},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203106474034544},
booktitle={Acta Mathematica},
volume={64},
number={1},
pages={353-367},
year={1935},
}