@inproceedings{a.1932analysis,
title={Analysis of conditions of generalised almost periodicity},
author={A. S. Besicovitch},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203059514519491},
booktitle={Acta Mathematica},
volume={58},
number={1},
pages={217-230},
year={1932},
}