@inproceedings{t.1984an,
title={An analytic family of uniformly bounded representations of free groups},
author={T. Pytlik, and R. Szwarc},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203307539131394},
booktitle={Acta Mathematica},
volume={157},
number={1},
pages={287-309},
year={1984},
}
T. Pytlik, and R. Szwarc. An analytic family of uniformly bounded representations of free groups. 1984. Vol. 157. In Acta Mathematica. pp.287-309. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203307539131394.