%0 Journal Article %A A. J. Pryde %T Inequalities for exponentials in Banach algebras %J Studia Mathematica %D 1991 %P 87-94 %V 100 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-100-1-87-94/ %R 10.4064/sm-100-1-87-94 %G en %F 10_4064_sm_100_1_87_94