MathSciDoc: An Archive for Mathematician ∫

@inproceedings{sten1967on,
  title={On the extension of Lipschitz maps},
  author={Sten Olof Schönbeck},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203438965914082},
  booktitle={Arkiv for Matematik},
  volume={7},
  number={3},
  pages={201-209},
  year={1967},
}