MathSciDoc: An Archive for Mathematician ∫

@inproceedings{g.1923die,
  title={Die Ersten 40 Jahre des Lebens von Weierstrass},
  author={G. Mittag-Leffler},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203037449049318},
  booktitle={Acta Mathematica},
  volume={39},
  number={1},
  pages={1-57},
  year={1923},
}