@inproceedings{vibeke1948mean,
title={Mean motions and values of the Riemann zeta function},
author={Vibeke Borchsenius, and Børge Jessen},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203124611053681},
booktitle={Acta Mathematica},
volume={80},
number={1},
pages={97-166},
year={1948},
}
Vibeke Borchsenius, and Børge Jessen. Mean motions and values of the Riemann zeta function. 1948. Vol. 80. In Acta Mathematica. pp.97-166. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203124611053681.