%0 Journal Article %T A bounded map associated to a one-parameter group of *-automorphisms of a von Neumann algebra %J Glasgow mathematical journal %D 1984 %P 135-140 %V 25 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005541/ %R 10.1017/S0017089500005541 %F 10_1017_S0017089500005541