TY - JOUR AU - Jean-Philippe Préaux TI - Group Extensions with Infinite Conjugacy Classes JO - Confluentes Mathematici PY - 2013 SP - 73 EP - 92 VL - 5 IS - 1 PB - Institut Camille Jordan UR - https://cml.centre-mersenne.org/articles/10.5802/cml.3/ DO - 10.5802/cml.3 LA - en ID - CML_2013__5_1_73_0 ER -