%0 Journal Article %A Sivák, Bohuslav %T The structure of the rings assigned to group varieties %J Mathematica slovaca %D 1985 %P 169-173 %V 35 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1985__35_2_a9/ %G en %F MASLO_1985__35_2_a9