A. Murugesan, and K. Venkataramanan. “Asymptotic Behavior of the Oscillatory Solutions of First Order Neutral Delay Difference Equations”. Malaya Journal of Matematik 5, no. 02 (April 1, 2017): 428–441. Accessed November 22, 2024. https://www.malayajournal.org/index.php/mjm/article/view/608.