MathSciDoc: An Archive for Mathematician ∫

@inproceedings{poul1937ein,
  title={Ein Brief von Abel an Degen},
  author={Poul Heegaard, and N. H. Abell},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203109652371567},
  booktitle={Acta Mathematica},
  volume={68},
  number={1},
  pages={1-6},
  year={1937},
}