%0 Journal Article %A Bahrami, Fariba %A Fazli, Hossain %T Optimization problems involving Poisson's equation in $\Bbb R^3$ %J Electronic Journal of Differential Equations %D 2011 %V 2011 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a71/ %G en %F EJDE_2011__2011__a71