%0 Journal Article %A D'Apice, Ciro %A De Maio, Umberto %A Kogut, Peter I. %A Manzo, Rosanna %T Solvability of an optimal control problem in coefficients for ill-posed elliptic boundary-value problems %J Electronic journal of differential equations %D 2014 %V 2014 %U http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a73/ %G en %F EJDE_2014__2014__a73