@inproceedings{par1963sur,
title={Sur les sous-corps des corps métacycliques du sixième degré},
author={Par Trygve Nagell},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203429618514004},
booktitle={Arkiv for Matematik},
volume={5},
number={1},
pages={43-54},
year={1963},
}