%0 Journal Article
%T ON A PERIODIC NEUTRAL DELAY LOGARITHMIC POPULATION MODEL<br>一个周期中立型对数种群模型
%A Yong Kun LI
%A <br>李永昆
%J 系统科学与数学
%D 1999
%I 
%X In this paper, we obtain the sufficient conditions for the existence of a positive periodic solution to a periodic neutral delay logarithmic population model and give the sufficient conditions for the periodic solution to attract all other positive solutions.
%K Neutral population model
%K positive periodic solution
%K attractivity
%K toplogical degree<br>中立型种群模型
%K 周期正解
%K 吸引性
%K 拓扑度
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=37F46C35E03B4B86&jid=0CD45CC5E994895A7F41A783D4235EC2&aid=EE70F6B1F5067331&yid=B914830F5B1D1078&vid=2A8D03AD8076A2E3&iid=CA4FD0336C81A37A&sid=36538B8676B6E3B8&eid=75A1FA2A8D54BD4B&journal_id=1000-0577&journal_name=系统科学与数学&referenced_num=7&reference_num=0