TY - JOUR AU - Águila Giménez, Francisco Del AU - Zrałek, M. PY - 1996 SN - 0587-4254 SN - 1509-5770 UR - http://hdl.handle.net/10481/32421 AB - We count the number of CP breaking phases in models with SU(2)L× U(1)Y and SU(2)L× SU(2)R× U(1)B−L electroweak gauge groups and extended matter contents with some fermion masses vanishing and/or degenerate. Quarks and leptons, including Majorana... LA - eng PB - Jagiellonian University KW - Violation KW - Matrices TI - CP phases in models with some fermion masses vanishing and/or degenerate ER -