ELABBASY E.M.; EL-METWALLY H.; ELSAYED E.M. Some properties and expressions of solutions for a class of nonlinear difference equation. Utilitas Mathematica , [S. l.], v. 87, 2012. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/894. Acesso em: 8 may. 2026.