MathSciDoc: An Archive for Mathematician ∫

@inproceedings{weierstrass1923briefe,
  title={Briefe von K. Weierstrass an L. Fuchs.},
  author={Weierstrass},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203038287028325},
  booktitle={Acta Mathematica},
  volume={39},
  number={1},
  pages={246-256},
  year={1923},
}