@article{CML_2020__12_1_31_0,
     author = {Caprace, Pierre-Emmanuel and de la Harpe, Pierre},
     title = {Groups with irreducibly unfaithful subsets for unitary representations},
     journal = {Confluentes Mathematici},
     pages = {31--68},
     publisher = {Institut Camille Jordan},
     volume = {12},
     number = {1},
     year = {2020},
     doi = {10.5802/cml.61},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/cml.61/}
}