%0 Journal Article %A Kelarev, A. V. %T On the Jacobson radical of graded rings %J Commentationes Mathematicae Universitatis Carolinae %D 1992 %P 21-24 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1992__33_1_a1/ %G en %F CMUC_1992__33_1_a1