@inproceedings{lars1960a,
title={A remark on a theorem by Forstman},
author={Lars Lithner},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203424323133958},
booktitle={Arkiv for Matematik},
volume={4},
number={1},
pages={31-33},
year={1960},
}