%0 Journal Article %A I. N. Balaba %T Weakly primitive graded rings %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2001 %P 1153-1154 %V 56 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2001_56_6_a3/ %G en %F RM_2001_56_6_a3