%0 Journal Article %A A.V. Tishchenko %T Simplicity of wreath product of semigroups with fixed passive semigroup. %J Semigroup forum %D 1994 %P 275-288 %V 49 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1994__49_2_135354/ %F SF_1994__49_2_135354