TY - JOUR AU - R.J. Zimmer AU - A. Lubotzky AU - S. Mozes TI - Superrigidity for the commensurability group of tree lattices. JO - Commentarii mathematici Helvetici PY - 1994 SP - 523 EP - 548 VL - 69 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1994__69_4_140353/ ID - CMH_1994__69_4_140353 ER -