MathSciDoc: An Archive for Mathematician ∫

@inproceedings{hans1962on,
  title={On a property of the minimal universal exponent, λ($x$)},
  author={Hans Riesel},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203427446759985},
  booktitle={Arkiv for Matematik},
  volume={4},
  number={5},
  pages={401-403},
  year={1962},
}