%0 Journal Article %A I. Levi %T Injective endomorphisms of Gx-normal semigroups: Infinite defects. %J Semigroup forum %D 1992 %P 9-22 %V 45 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1992__45_3_135166/ %F SF_1992__45_3_135166