By employing Mawhin’s continuation theorem and some analytic techniques, we study the existence of periodic solutions to a kind of neutral functional differential equation with delays. Our results generalize the corresponding ones of known litera-ture.
Guo Lixiang1, Lu Shiping1, Du Bo2, Liang Feng1 (1. Dept. of Math., Anhui Normal University, Wuhu 241000, Anhui
