%0 Journal Article %A W. D. Munn %T Inverse semigroup rings %J Banach Center Publications %D 1990 %P 65-73 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/-26-1-65-73/ %R 10.4064/-26-1-65-73 %G en %F 10_4064__26_1_65_73