%0 Journal Article %A Sun, Yong-Ping %T Nontrivial solution for a three-point boundary-value problem %J Electronic Journal of Differential Equations %D 2004 %V 2004 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a3/ %G en %F EJDE_2004__2004__a3