结合使用指数型二分性原理和Rothe不动点定理,考虑了非线性泛函微分方程概周期解的存在性问题,推广和改善了已有的结果.
By using of exponential principal and Rothe fixed-point theorem,the existence of almost periodic solutions for almost periodic systems with deviating argument was investigated. The results obtained are imroved and generalized.