MathSciDoc: An Archive for Mathematician ∫

@inproceedings{w.1936theory,
  title={Theory of linear differential equations containing a parameter},
  author={W. J. Trjitzinsky},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203108521524558},
  booktitle={Acta Mathematica},
  volume={67},
  number={1},
  pages={1-50},
  year={1936},
}