%0 Journal Article %A Tatsuhiko Saito %T Orthodox semidirect products and wreath products of monoids. %J Semigroup forum %D 1989 %P 347-354 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1989__38_2_134965/ %F SF_1989__38_2_134965