PELYUKH, G. P. Structure of a general solution of systems of nonlinear difference equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 10, p. 1368–1378, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4736. Acesso em: 14 apr. 2025.