NANG, P. T.; YEM, P. X. Chiral Anomaly, Triangle Loop and the \(\gamma\gamma^{*}\to \pi^{0}\) Transition Form Factor. Communications in Physics, [S. l.], v. 22, n. 4, p. 289, 2013. DOI: 10.15625/0868-3166/22/4/2554. Disponível em: https://vjs.ac.vn/index.php/cip/article/view/2554. Acesso em: 24 apr. 2024.