Arul, R, K Alagesan, and G Ayyappan. “Existence of Nonoscillatory Solutions of First Order Nonlinear Neutral Dierence Equations”. JOURNAL OF ADVANCES IN MATHEMATICS 11, no. 5 (October 12, 2015): 5230–5237. Accessed April 5, 2025. https://rajpub.com/index.php/jam/article/view/1250.