%0 Journal Article %A Stephen T.L. Choy %T Hewitt-Zuckermann Semigroups in the Structure Semigroups of Measure Algebras. %J Mathematische Annalen %D 1977 %P 59-64 %V 229 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1977__229_163002/ %F MAN_1977__229_163002