%0 Journal Article %A KLAUS MADLENER %A BIRGIT REINERT %T Non-commutative reduction rings %J Revista colombiana de matematicas %D 1999 %P 27-49 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_1999_33_1_a1/ %F RCM_1999_33_1_a1