MathSciDoc: An Archive for Mathematician ∫

@inproceedings{bengt1949on,
  title={On equivalent analytic functions},
  author={Bengt Andersson},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203410355212841},
  booktitle={Arkiv for Matematik},
  volume={1},
  number={1},
  pages={77-92},
  year={1949},
}