Gao, Jianfang, Minghui Song, and Mingzhu Liu. “Oscillation Analysis of Numerical Solutions for Nonlinear Delay Differential Equations of Population Dynamics”. Mathematical Modelling and Analysis 16, no. 3 (August 24, 2011): 365-375. Accessed April 19, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/5539.