Liao, Xin-yuan, and Sui Sun Cheng. “Convergent and Divergent Solutions of a Discrete Nonautonomous Lotka-Volterra Model”. Tamkang Journal of Mathematics 36, no. 4 (December 31, 2005): 337-344. Accessed May 24, 2022. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/106.