%0 Journal Article %A D. V. Zlydnev %T Semigroup rings and group rings with large center %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2016 %P 12-16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2016_3_a1/ %G ru %F VMUMM_2016_3_a1