%0 Journal Article %A S. Miyajima %T Reduction of a mean ergodic Markov semigroup on C(X) into its irreducible components. %J Semigroup forum %D 1992 %P 226-240 %V 45 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1992__45_3_135185/ %F SF_1992__45_3_135185