摘要
一类具有概周期的时滞非线性积分方程具有正概周期解。
A nonlinear integral equation govering the spread of certain infectionsdiseases with almost periodic contact rate is shown to have almost periodicpositive solution.
关键词
非线性
积分方程
周期解
可解性
nonlinear integral equation
periodic solutions
solvability
