%0 Journal Article %A Heidarkhani, Shapour %T Non-trivial solutions for two-point boundary-value problems of fourth-order Sturm-Liouville type equations %J Electronic Journal of Differential Equations %D 2012 %V 2012 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a12/ %G en %F EJDE_2012__2012__a12