MathSciDoc: An Archive for Mathematician ∫

@inproceedings{arne1951an,
  title={An extremal property of the Riemann zeta-function},
  author={Arne Beurling},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203411479990850},
  booktitle={Arkiv for Matematik},
  volume={1},
  number={4},
  pages={295-300},
  year={1951},
}