%0 Journal Article %A S.L. Lipscomb %T Centralizers in symmetric inverse semigroups: Structure and order. %J Semigroup forum %D 1992 %P 347-355 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1992__44_1_135158/ %F SF_1992__44_1_135158