%0 Journal Article %A Meyer, C. %T Error estimates for the finite-element approximation of an elliptic control problem with pointwise state and control constraints %J Control and Cybernetics %D 2008 %P 51-83 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2008_37_1_a3/ %G en %F CC_2008_37_1_a3