MathSciDoc: An Archive for Mathematician ∫

@inproceedings{adolph1883note,
  title={Note sur certaines équations différentielles linéaires},
  author={Adolph Steen},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202931725817762},
  booktitle={Acta Mathematica},
  volume={3},
  number={1},
  pages={277-282},
  year={1883},
}