具脉冲效应的时滞Leslie捕食与被捕食系统正周期解的存在性

梁志清;赵强;周盛凡;

Existence of Positive Periodic Solution for a Delay Leslie-Predator-Prey Sys
tem with Impulsive Effect

LIANG Zhi-qing;ZHAO Qiang;ZHOU Sheng-fan;

上海大学学报(自然科学版) . 2008, (1): 40 -45 .