MathSciDoc: An Archive for Mathematician ∫

@inproceedings{arne1953an,
  title={An extension of the Riemann mapping theorem},
  author={Arne Beurling},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203138280257784},
  booktitle={Acta Mathematica},
  volume={90},
  number={1},
  pages={117-130},
  year={1953},
}