TY - JOUR AU - Yann Ollivier TI - Critical densities for random quotients of hyperbolic groups JO - Comptes Rendus. Mathématique PY - 2003 SP - 391 EP - 394 VL - 336 IS - 5 PB - Elsevier DO - 10.1016/S1631-073X(03)00084-0 LA - en ID - CRMATH_2003__336_5_391_0 ER -