%0 Journal Article %A Almeida, Jorge %T On the power semigroup of a finite semigroup %J Portugaliae mathematica %D 1992 %P 295-331 %V 49 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1992__49_3_115793/ %G en %F PORMA_1992__49_3_115793