PELYUKH, G. P. General Solution of Systems of Nonlinear Difference Equations with Continuous Argument. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 7, p. 936–953, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4493. Acesso em: 14 apr. 2025.