%0 Journal Article %A E. Barbieri %A A. Cavicchioli %A F. Spaggiari %T A Generalization of Helling-Kim-Mennicke Groups and Manifolds %J Journal of Lie theory %D 2007 %P 857-867 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2007_17_4_JLT_2007_17_4_a6/ %F JLT_2007_17_4_JLT_2007_17_4_a6