%0 Journal Article %A Zhang, Xingqiu %T Global structure of positive solutions for superlinear singular $m$-point boundary-value problems %J Electronic Journal of Differential Equations %D 2008 %V 2008 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a11/ %G en %F EJDE_2008__2008__a11