%0 Journal Article %A Miri, Sofiane El-Hadi %T Fractional power function spaces associated to regular Sturm--Liouville problems %J Electronic Journal of Differential Equations %D 2005 %V 2005 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a135/ %G en %F EJDE_2005__2005__a135