%0 Journal Article %A S.K. Sehgal %A A.A. Bovdi %T Unitary subgroup of integral groups rings. %J Manuscripta mathematica %D 1992 %P 213-222 %V 76 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1992__76_1_155749/ %F MM2_1992__76_1_155749