%0 Journal Article
%T Existence of Periodic Solutions for a Type of High Order Neutral Functional Differential Equations<br>一类高阶中立型泛函微分方程周期解的存在性
%A 汪凯
%J 数学物理学报(A辑)
%D 2009
%I 
%X By employing the coincidence degree theory, the author studies a kind of higher order neutral functinal differential equation with distributed delay. Some simple conditions which guarantee the existence of periodic solutions to the equation are obtained.
%K Distributed delayzz
%K Periodic solutionszz
%K Coincidence degreezz<br>分布时滞
%K 周期解
%K 重合度
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=37F46C35E03B4B86&jid=4DB553CDB5F521D8C921082E5C95EC80&aid=1064ED1B6F2406EA42522F15B6F192F8&yid=DE12191FBD62783C&vid=771469D9D58C34FF&iid=38B194292C032A66&sid=89FA2FA9891FF61E&eid=5EEA08EFB4616D1C&journal_id=1003-3998&journal_name=数学物理学报(A辑)&referenced_num=0&reference_num=9