@inproceedings{dong2014irrational,
title={Irrational Factor of Order k and ITS Connections With k-Free Integers},
author={Dong Dong, and X Meng},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020175540805267989},
booktitle={Acta Mathematica Hungarica},
volume={144},
number={2},
pages={353-366},
year={2014},
}
Dong Dong, and X Meng. Irrational Factor of Order k and ITS Connections With k-Free Integers. 2014. Vol. 144. In Acta Mathematica Hungarica. pp.353-366. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020175540805267989.