%0 Journal Article
%A Yongkun Li
%A Changzhao Li
%A Juan Zhang
%T Three  periodic solutions for a class of
higher-dimensional functional differential equations with
impulses
%J Annales Polonici Mathematici
%D 2010
%P 169-183
%V 97
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap97-2-6/
%R 10.4064/ap97-2-6
%G en
%F 10_4064_ap97_2_6