フィジカル・レビュー
Y. Nambu and G. Jona-Lasinio, "Dynamical model of elementary particles based on an analogy with superconductivity. I," Phys. Rev. 122, 345-358 (1961)
Y. Nambu and G. Jona-Lasinio, "Dynamical model of elementary particles based on an analogy with superconductivity. II," Phys. Rev. 124, 246-254 (1961)