%0 Journal Article %A O. Yu. Aristov %T Structure of biprojective Banach algebras with non-trivial radical %J Izvestiya. Mathematics %D 2008 %P 1111-1140 %V 72 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2008_72_6_a2/ %G en %F IM2_2008_72_6_a2