Mensah Folly-Gbetoula. “Invariance, Solutions, Periodicity and Asymptotic Behavior of a Class of Fourth Order Difference Equations”. Journal of Computational Analysis and Applications (JoCAAA) 29, no. 4 (August 17, 2021): 645–657. Accessed December 19, 2024. https://eudoxuspress.com/index.php/pub/article/view/178.