TY - JOUR AU - Hyman Bass AU - Alexander Lubotzky TI - Nonarithmetic superrigid groups: Counterexamples to Platonov's conjecture JO - Annals of mathematics PY - 2000 VL - 151 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.2307/121131/ DO - 10.2307/121131 ID - 10_2307_121131 ER -