I. THÉORIE / THEORYCURRENT ALGEBRA, PCAC, ITS ANOMALY, AND THE TWO-PHOTON PROCESS (SOFT-PION PRODUCTION BY TWO PHOTONS) H. TERAZAWAJ. Phys. Colloques, 35 C2 (1974) C2-61-C2-67DOI: https://doi.org/10.1051/jphyscol:1974209
