Existence of periodic solutions of a delayed predator-prey system with general functional response. - Yu Yang; Wencheng Chen; Cuimei Zhang (Appl. Math. Comput., 2006)

Periodic Solutions and Global Asymptotic Stability of a Delayed Discrete Predator-Prey System with Holling II Type Functional Response. - Cuimei Zhang; Wencheng Chen; Yu Yang (J. Syst. Sci. Complex., 2006)