TY - JOUR AU - Caprace, Pierre-Emmanuel AU - de la Harpe, Pierre TI - Groups with irreducibly unfaithful subsets for unitary representations JO - Confluentes Mathematici PY - 2020 SP - 31 EP - 68 VL - 12 IS - 1 PB - Institut Camille Jordan UR - http://www.numdam.org/articles/10.5802/cml.61/ DO - 10.5802/cml.61 LA - en ID - CML_2020__12_1_31_0 ER -