%0 Journal Article %A A. Holderrieth %T Matrix multiplication operators generating one parameter semigroups. %J Semigroup forum %D 1991 %P 155-166 %V 42 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1991__42_3_135074/ %F SF_1991__42_3_135074