%0 Journal Article %A Anderson, Douglas R. %A Hoffacker, Joan %T Even order self adjoint time scale problems %J Electronic Journal of Differential Equations %D 2005 %V 2005 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a68/ %G en %F EJDE_2005__2005__a68