MathSciDoc: An Archive for Mathematician ∫

@inproceedings{trygve1968sur,
  title={Sur les unités dans les corps biquadratiques primitifs du premier rang},
  author={Trygve Nagell},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203440310348094},
  booktitle={Arkiv for Matematik},
  volume={7},
  number={4},
  pages={359-394},
  year={1968},
}