一类具有时滞的比率依赖型捕食者-食饵系统周期正解的存在性(英文)Existence of postitive periodic solution of a ratio-dependent predator-prey system with time delays。
丁孝全;程述汉;
摘要(Abstract)：
考虑一类具有时滞的比率依赖型捕食者-食饵系统,利用重合度理论中的延拓定理,得到系统存在正周期解的充分条件.
关键词(KeyWords)： 捕食者-食饵系统;时滞;周期解;重合度
基金项目(Foundation):
作者(Authors): 丁孝全;程述汉;
参考文献(References)：
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