MathSciDoc: An Archive for Mathematician ∫

@inproceedings{einar1977higher,
  title={Higher order Briot—Bouquet differential equations},
  author={Einar Hille},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203504296558299},
  booktitle={Arkiv for Matematik},
  volume={16},
  number={1},
  pages={271-286},
  year={1977},
}