%0 Journal Article %A D. Davenport %T The minimal ideal of compact subsemigroups of ß S. %J Semigroup forum %D 1990 %P 201-214 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1990__41_2_135049/ %F SF_1990__41_2_135049