%0 Journal Article %A Hyman Bass %A Alexander Lubotzky %T Nonarithmetic superrigid groups: Counterexamples to Platonov's conjecture %J Annals of mathematics %D 2000 %V 151 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2307/121131/ %R 10.2307/121131 %F 10_2307_121131