%0 Journal Article %A M.V. Lawson %T An equivalence theorem for inverse semigroups. %J Semigroup forum %D 1993 %P 7-14 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1993__47_2_135249/ %F SF_1993__47_2_135249