%0 Journal Article %A Peter V. Danchev %T Commutative weakly invo-clean group rings %J Ural mathematical journal %D 2019 %P 48-52 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UMJ_2019_5_1_a4/ %G en %F UMJ_2019_5_1_a4