E. M. Elsayed, Hanan S. Gafel. On Some Systems of Three Nonlinear Difference Equations. Journal of Computational Analysis and Applications (JoCAAA) [Internet]. 2021 Jan. 22 [cited 2024 Sep. 1];29(1):86-108. Available from: http://eudoxuspress.com/index.php/pub/article/view/131