%0 Journal Article %A Yuan-Chuan Li %A Ryotaro Sato %A Sen-Yen Shaw %T Boundedness and growth orders of means of discrete and continuous semigroups of operators %J Studia Mathematica %D 2008 %P 1-35 %V 187 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm187-1-1/ %R 10.4064/sm187-1-1 %G en %F 10_4064_sm187_1_1