@inproceedings{christopher1971on,
title={On the intervals between numbers that are sums of two squares},
author={Christopher Hooley},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203223800008122},
booktitle={Acta Mathematica},
volume={127},
number={1},
pages={279-297},
year={1971},
}
Christopher Hooley. On the intervals between numbers that are sums of two squares. 1971. Vol. 127. In Acta Mathematica. pp.279-297. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203223800008122.