DORIA, R.; NEVES, M. J. A non-abelian model SU(N) x SU(N). JOURNAL OF ADVANCES IN PHYSICS, [S. l.], v. 8, n. 1, p. 1988–2004, 2015. DOI: 10.24297/jap.v8i1.1528. Disponível em: https://rajpub.com/index.php/jap/article/view/1528. Acesso em: 5 may. 2024.