TY - JOUR AU - Isaacs, I. M. TI - Systems of equations and generalized characters in groups JO - Canadian journal of mathematics PY - 1970 SP - 1040 EP - 1046 VL - 22 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-120-0/ DO - 10.4153/CJM-1970-120-0 ID - 10_4153_CJM_1970_120_0 ER -