Pelyukh, G. P. “Asymptotic Behavior of Solutions of Nonlinear Difference Equations With Continuous Argument”. Ukrains’kyi Matematychnyi Zhurnal 54, no. 1 (January 25, 2002): 138-141. Accessed May 25, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4048.