参考論文(いまONLINEで無料でみれる?) http://ptp.ipap.jp/link?PTP/49/652/ CP-Violation in the Renormalizable Theory of Weak Interaction Makoto Kobayashi and Toshihide Maskawa Department of Physics, Kyoto University, Kyoto Progress of Theoretical PhysicsVol. 49 No. 2 (1973) pp. 652-657
http://prola.aps.org/abstract/PR/v122/i1/p345_1 Dynamical Model of Elementary Particles Based on an Analogy with Superconductivity. I Phys. Rev. 122, 345 - 358 (1961) Y. Nambu and G. Jona-Lasinio