%0 Journal Article
%A Ji,  Caisheng
%A Yan,  Baoqiang
%T Positive solutions for second-order singular three-point boundary-value problems with sign-changing nonlinearities
%J Electronic journal of differential equations
%D 2010
%V 2010
%U http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a12/
%G en
%F EJDE_2010__2010__a12