@article{JRAM_1987__377_152934,
     author = {Marek Bozejko},
     title = {Uniformly bounded representations of free groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {170--186},
     year = {1987},
     volume = {377},
     zbl = {0604.43004},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1987__377_152934/}
}