@inproceedings{bertil1949a,
title={A general prime number theorem},
author={Bertil Nyman},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203126219582694},
booktitle={Acta Mathematica},
volume={81},
number={1},
pages={299-307},
year={1949},
}