GROVE, E. A.; LAPIERRE, E.; TIKJHA, W. On the global behavior of 𝑥ᵤ₊₁ = |𝑥ᵤ|− 𝑦ᵤ − 1 and 𝑦ᵤ₊₁ = 𝑥ᵤ +|𝑦ᵤ|. CUBO, A Mathematical Journal, [S. l.], v. 14, n. 2, p. 111–152, 2012. DOI: 10.4067/S0719-06462012000200007. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1345. Acesso em: 18 may. 2024.