@inproceedings{matti2004uniform,
  title={Uniform bound for Hecke$L$-functions},
  author={Matti Jutila, and Yoichi Motohashi},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203347368264670},
  booktitle={Acta Mathematica},
  volume={195},
  number={1},
  pages={61-115},
  year={2004},
}