%0 Journal Article %A Boutaous, Fatiha %A Labbas, Rabah %A Sadallah, Boubaker-Khaled %T Fractional-power approach for solving complete elliptic abstract differential equations with variable-operator coefficients %J Electronic Journal of Differential Equations %D 2012 %V 2012 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a24/ %G en %F EJDE_2012__2012__a24