%0 Journal Article %A Kelevedjiev, Petio S. %A Palamides, Panos K. %A Popivanov, Nedyu %T Another understanding of fourth-order four-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__a7/ %G en %F EJDE_2008__2008__a7