TY - GEN AU - Nishijima, K. TI - Fields and particle: : field theory and dispersion relations U1 - 539.721 PY - 1960/// CY - New York PB - Benjamin KW - Dispersion KW - Integral equations KW - Simple applications KW - Renormalization KW - Bound states KW - Quantum field theory N1 - Bibliography at the end of each chapter; 2067-11-20 ER -