%0 Journal Article %A R.J. Zimmer %A A. Lubotzky %A S. Mozes %T Superrigidity for the commensurability group of tree lattices. %J Commentarii mathematici Helvetici %D 1994 %P 523-548 %V 69 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1994__69_4_140353/ %F CMH_1994__69_4_140353