【期刊论文】Positive Periodic Solutions for an Integrodifferential Model of Mutualism

李永昆， YONGKUN LI AND GUITONG XU

【期刊论文】PERIODIC SOLUTIONS IN PERIODIC STATE-DEPENDENT DELAY EQUATIONS AND POPULATION MODELS

李永昆， YONGKUN LI AND YANG KUANG

【期刊论文】Existence and global attractivity of a positive periodic solution of a class of delay differential equation*

李永昆， LI Yongkun

【期刊论文】Existence and stability of periodic solutions for Cohen-Grossberg neural networks with multiple delays

李永昆， Yongkun Li

【期刊论文】Periodic Solutions for Delay Lotka-Volterra Competition Systems

李永昆， Yongkun Li

【期刊论文】Positive periodic solutions of nonlinear functional differential equations

李永昆， Yongkun Li*， Lifei Zhu

【期刊论文】Positive periodic solutions of a class of functional differential systems with feedback controls☆

李永昆， Yongkun Li*， Ping Liu， Lifei Zhu

【期刊论文】PERIODIC SOLUTIONS OF A PERIODIC DELAY PREDATOR-PREY SYSTEM

李永昆， LI YONGKUN

【期刊论文】Periodic Solutions of Periodic Delay Lotka-Volterra Equations and Systems

李永昆， Yongkun Li， Yang Kuang

【期刊论文】Multiple positive periodic solutions of nonlinear functional differential system with feedback control ✩

李永昆， Ping Liu and Yongkun Li∗