Formulas of the solutions of a solvable system of nonlinear difference equations. Journal of Prime Research in Mathematics, [S. l.], v. 20, n. 1, p. 65–80, 2024. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/226. Acesso em: 19 sep. 2025.