MathSciDoc: An Archive for Mathematician ∫

@inproceedings{h.1933topologie,
  title={Topologie Dreidimensionaler Gefaserter Räume},
  author={H. Seifert},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203101742835509},
  booktitle={Acta Mathematica},
  volume={60},
  number={1},
  pages={147-238},
  year={1933},
}