StrukO. O., and TkachenkoV. I. “On Impulsive Lotka–Volterra Systems With Diffusion”. Ukrains’kyi Matematychnyi Zhurnal 54, no. 4 (April 25, 2002): 514-526. Accessed November 11, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4089.