%0 Journal Article %A J. Okninski %A J.S. Ponizovskii %T A new matrix representation theorem for semigroups. %J Semigroup forum %D 1996 %P 293-306 %V 52 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1996__52_3_135455/ %F SF_1996__52_3_135455