TY - JOUR AU - Poland, John TI - Finite Groups with a given Number of Conjugate Classes JO - Canadian journal of mathematics PY - 1968 SP - 456 EP - 464 VL - 20 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-042-9/ DO - 10.4153/CJM-1968-042-9 ID - 10_4153_CJM_1968_042_9 ER -