TY - JOUR AU - C. J. K. Batty TI - On the invertibility of isometric semigroup representations JO - Studia Mathematica PY - 1994 SP - 235 EP - 250 VL - 110 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-110-3-235-250/ DO - 10.4064/sm-110-3-235-250 LA - en ID - 10_4064_sm_110_3_235_250 ER -