@inproceedings{helge1910contribution,
title={Contribution à la théorie des nombres premiers},
author={Helge von Koch},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203022880327204},
booktitle={Acta Mathematica},
volume={33},
number={1},
pages={293-320},
year={1910},
}