%0 Journal Article
%A Hai,  Dang Dinhr
%T Positive solutions for a class of singular boundary value problems
%J Electronic journal of differential equations
%D 2006
%V 2006
%U http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a63/
%G en
%F EJDE_2006__2006__a63