%0 Journal Article %A J. Jankins %T Free semigroups and unitary group representations %J Studia Mathematica %D 1972 %P 27-39 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-43-1-27-39/ %R 10.4064/sm-43-1-27-39 %G en %F 10_4064_sm_43_1_27_39