%0 Journal Article %A M.B. Szendrei %T On Takizawa's construction for E-unitary R-unipotent semigroups %J Beiträge zur Algebra und Geometrie %D 1985 %P 197-202 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/BAG_1985__20_138319/ %F BAG_1985__20_138319