Agarwal, P. and Manojlović, J. V. (2008) “Asymptotic behavior of positive solutions of fourth-order nonlinear difference equations”, Ukrains’kyi Matematychnyi Zhurnal, 60(1), pp. 8–27. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3134 (Accessed: 20April2024).