@inproceedings{stefanie2006a,
title={A weighted estimate for the square function on the unit ball in ℂ^{$n$}},
author={Stefanie Petermichl, and Brett D. Wick},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203620865225923},
booktitle={Arkiv for Matematik},
volume={45},
number={2},
pages={337-350},
year={2006},
}

Stefanie Petermichl, and Brett D. Wick. A weighted estimate for the square function on the unit ball in ℂ^{$n$}. 2006. Vol. 45. In Arkiv for Matematik. pp.337-350. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203620865225923.