@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},
}