Stability, periodicity and oscillation of some systems of difference equations defined by a permutation. Gulf Journal of Mathematics, [S. l.], v. 21, n. 1, p. 129–139, 2025. DOI: 10.56947/gjom.v21i1.3349. Disponível em: https://www.gjom.org/index.php/gjom/article/view/3349. Acesso em: 20 aug. 2026.