Back Article

A. Ebrahim,Phys. Lett., 73B(.1978), 181;H. Fritzsch, ReE. TH，2640-CERN[2] H. Fritzsch, Ref. TH 2356-CERN.[3] M. A. de Crombrugghe, Phys. Lett., 80B(1919), 365.[4] M.Kobayashi and g. Maskawa, Prog, of Theor. Physic.,49(1973), 652[5] A. Ebrahim, Phys. Lett., 76B(1978), 605.[6] H. Schopper, DEBY, 79/79,(1979).