@inproceedings{bernard1982théorème,
title={Théorème de point fixe et d'approximation},
author={Bernard Beauzamy, and Per Enflo},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203518922800422},
booktitle={Arkiv for Matematik},
volume={23},
number={1},
pages={19-34},
year={1982},
}