@inproceedings{henri1927sur,
title={Sur la recherche des fonctions primitives},
author={Henri Lebesque},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203046657875392},
booktitle={Acta Mathematica},
volume={49},
number={3},
pages={245-262},
year={1927},
}