@inproceedings{aboubakr1978bounding,
title={Bounding subsets of some metric vector spaces},
author={Aboubakr Bayoumi},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203507405801325},
booktitle={Arkiv for Matematik},
volume={18},
number={1},
pages={13-17},
year={1978},
}