@inproceedings{jean2009generalization,
title={Generalization of Selberg’s $$ \frac{3}{{16}} $$ theorem and affine sieve},
author={Jean Bourgain, Alex Gamburd, and Peter Sarnak},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203357420511746},
booktitle={Acta Mathematica},
volume={207},
number={2},
pages={255-290},
year={2009},
}

Jean Bourgain, Alex Gamburd, and Peter Sarnak. Generalization of Selberg’s $$ \frac{3}{{16}} $$ theorem and affine sieve. 2009. Vol. 207. In Acta Mathematica. pp.255-290. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203357420511746.