Zhang, Xiao, Rui Xu, and Zhe Li. “Global Stability of a Three-Species Food-Chain Model With Diffusion and Nonlocal Delays”. Mathematical Modelling and Analysis 16, no. 3 (August 24, 2011): 376-389. Accessed November 25, 2024. https://jau.vgtu.lt/index.php/MMA/article/view/5540.