%0 Journal Article %A C. J. K. Batty %T On the invertibility of isometric semigroup representations %J Studia Mathematica %D 1994 %P 235-250 %V 110 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-110-3-235-250/ %R 10.4064/sm-110-3-235-250 %G en %F 10_4064_sm_110_3_235_250