| 1 | PERIODIC SOLUTIONS FOR A DELAYED ONE-PREDATOR AND TWO-PREY SYSTEM WITH HOLLING TYPE-Ⅱ FUNCTIONAL RESPONSE显示文摘A delayed one-predator and two-prey system with Holling type-Ⅱ functional response is investigated. By using Gaines and Mawhin's continuation theorem of coincidence degree theory and by constructing suitable Lyapunov functional, a set of easily verifiable sufficient conditions are derived for the existence and global attractivity of positive periodic solutions to the system. | LiuQiming XuRui | 2005 | Annals of Differential Equations2005，21，1： | 2 |
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