MathSciDoc: An Archive for Mathematician ∫

@inproceedings{sten1964a,
  title={A characteristic property of Euclidean spaces},
  author={Sten Olof Carlsson},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203431906086023},
  booktitle={Arkiv for Matematik},
  volume={5},
  number={3},
  pages={327-330},
  year={1964},
}