%0 Journal Article %A Markl, M. %T Cohomology operations and the Deligne conjecture %J Czechoslovak Mathematical Journal %D 2007 %P 473-503 %V 57 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2007__57_1_a35/ %G en %F CMJ_2007__57_1_a35