@inproceedings{göran1958the,
title={The set of extreme points of a compact convex set},
author={Göran Björck},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203422724738943},
booktitle={Arkiv for Matematik},
volume={3},
number={5},
pages={463-468},
year={1958},
}