MathSciDoc: An Archive for Mathematician ∫

@inproceedings{gustav1891sur,
  title={Sur un problème de représentation conforme},
  author={Gustav Cassel},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202952795553953},
  booktitle={Acta Mathematica},
  volume={15},
  number={1},
  pages={33-44},
  year={1891},
}