RAKHMATULLAEV, M. M. On weakly periodic Gibbs measures for the Potts model with external field on the Cayley tree. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 68, n. 4, p. 529–541, 2016. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1858. Acesso em: 5 dec. 2025.