CHEN, D.; WANG, C. Boundedness of a Max-type Fourth Order Difference Equation with Periodic Coefficients. Journal of Informatics and Mathematical Sciences, [S. l.], v. 6, n. 1, p. 1–21, 2014. DOI: 10.26713/jims.v6i1.240. Disponível em: http://rgnpublications.com/journals/index.php/jims/article/view/240. Acesso em: 24 nov. 2024.