TY - JOUR AU - Boutaous, Fatiha AU - Labbas, Rabah AU - Sadallah, Boubaker-Khaled TI - Fractional-power approach for solving complete elliptic abstract differential equations with variable-operator coefficients JO - Electronic Journal of Differential Equations PY - 2012 VL - 2012 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a24/ LA - en ID - EJDE_2012__2012__a24 ER -