@inproceedings{a.1932über,
title={Über die Regelflächen sechsten Grades ohne Leitgerade},
author={A. Wiman},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203100237186497},
booktitle={Acta Mathematica},
volume={59},
number={1},
pages={1-62},
year={1932},
}