@inproceedings{qi'an2015a,
title={A proof of Demailly's strong openness conjecture},
author={Qi'an Guan, and Xiangyu Zhou},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20180608110601979463098},
booktitle={Annals of Mathematics},
year={2015},
}