%0 Journal Article
%A Ma, Shuang-Hong
%A Sun, Jian-Ping
%A Wang, Da-Bin
%T Existence of positive solutions for nonlinear dynamic systems with a parameter on a measure chain
%J Electronic Journal of Differential Equations
%D 2007
%V 2007
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a227/
%G en
%F EJDE_2007__2007__a227