%0 Journal Article %A P. Anthony %T The smallest ideals in the two natural products on ßS. %J Semigroup forum %D 1994 %P 363-368 %V 48 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1994__48_3_135324/ %F SF_1994__48_3_135324