MathSciDoc: An Archive for Mathematician ∫

@inproceedings{g.1925préface,
  title={Préface},
  author={G. Mittag-Leffler},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203039221166333},
  booktitle={Acta Mathematica},
  volume={45},
  number={1},
  pages={i-iii},
  year={1925},
}