%0 Journal Article %A Kadeishvili, T. %T Cochain operations defining Steenrod--products in the bar construction. %J Georgian Mathematical Journal %D 2003 %P 115-125 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_2003__10_1_51162/ %G en %F GMJ_2003__10_1_51162