中立型时滞Lotka-Volterra系统正周期解的存在性

霍海峰;李万同

Existence of Positive Periodic Solutions of a Neutral Lotka-Volterra System with Delays

Hai Feng HUO(1),Wan Tong LI(2)

数学学报 . 2003, (6): 1199 -121 . DOI: 10.12386/A2003sxxb0157