%0 Journal Article %A L. O'Carroll %T Idempotent-determined congruences on inverse semigroups. %J Semigroup forum %D 1976 %P 233-244 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1976__12_134176/ %G en %F SF_1976__12_134176