%0 Journal Article %A Danchev, Peter V. %T Basic subgroups in abelian group rings %J Czechoslovak Mathematical Journal %D 2002 %P 129-140 %V 52 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2002__52_1_a11/ %G en %F CMJ_2002__52_1_a11