@inproceedings{h.1993the,
title={The distribution of square-full integers},
author={H. -Q. Liu},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203544320286632},
booktitle={Arkiv for Matematik},
volume={32},
number={2},
pages={449-454},
year={1993},
}