%0 Journal Article %A J.D. McKnight %A E. Sadowski %T The kernel of the wreath product of semigroups. %J Semigroup forum %D 1972 %P 232-236 %V 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1972__4_133898/ %F SF_1972__4_133898