%0 Journal Article
%A Zhang,  Zhenguo
%A Wang,  Chunjiao
%A Li,  Qiaoluan
%A Li,  Fang
%T Throughout positive solutions of second-order nonlinear differential equations
%J Electronic journal of differential equations
%D 2005
%V 2005
%U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a34/
%G en
%F EJDE_2005__2005__a34