%0 Journal Article %A P. V. Danchev %T Commutative feebly invo-clean group rings %J Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika %D 2019 %P 5-10 %N 61 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTGU_2019_61_a0/ %G en %F VTGU_2019_61_a0