MathSciDoc: An Archive for Mathematician ∫

@inproceedings{fr.1956eine,
  title={Eine Darstellung von J. Hjelmslevs projektiver Infinitesimalgeometrie},
  author={Fr. Fabricius-Bjerre},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203144399113830},
  booktitle={Acta Mathematica},
  volume={95},
  number={1},
  pages={111-154},
  year={1956},
}