1.
Agarwal P, Manojlović JV. Asymptotic behavior of positive solutions of fourth-order nonlinear difference equations. Ukr. Mat. Zhurn. [Internet]. 2008 Jan. 25 [cited 2025 Dec. 6];60(1):8–27. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3134