@inproceedings{christian2007la,
title={La somme des chiffres des carrés},
author={Christian Mauduit, and Joël Rivat},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203354084370716},
booktitle={Acta Mathematica},
volume={203},
number={1},
pages={107-148},
year={2007},
}