%0 Journal Article %A Sidney S. Mitchell %A Paul B. Fenoglio %T Congruence-free commutative semirings. %J Semigroup forum %D 1988 %P 79-92 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1988__37_1_134916/ %F SF_1988__37_1_134916