BUFALO, R.; PIMENTEL, B. Transition Amplitude to Podolsky’s Electromagnetic Theory. Revista de Ciencias, [S. l.], v. 3, n. 1, 2013. Disponível em: http://192.68.185.51/revistas/index.php/rfacien/article/view/712. Acesso em: 29 ene. 2026.