MathSciDoc: An Archive for Mathematician ∫

@inproceedings{w.1933analytic,
  title={Analytic theory of linear$q$-difference equations},
  author={W. J. Trjitzinsky},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203102528516512},
  booktitle={Acta Mathematica},
  volume={61},
  number={1},
  pages={1-38},
  year={1933},
}