%0 Journal Article %A Kosmatov, Nickolai %T Semipositone $m$-point boundary-value problems %J Electronic Journal of Differential Equations %D 2004 %V 2004 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a11/ %G en %F EJDE_2004__2004__a11