@inproceedings{e.1903on,
title={On the intergation of series},
author={E. W. Hobson},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203013152563126},
booktitle={Acta Mathematica},
volume={27},
number={1},
pages={209-216},
year={1903},
}