%0 Journal Article
%A Liu,  Yuji
%A Ge,  Weigao
%T Positive solutions of boundary value problems for \(2m\)-order differential equations
%J Electronic journal of differential equations
%D 2003
%V 2003
%U http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a169/
%G en
%F EJDE_2003__2003__a169