%0 Journal Article %A Krumbiegel, Klaus %A Rösch, Arnd %T On the regularization error of state constrained Neumann control problems %J Control and Cybernetics %D 2008 %P 369-392 %V 37 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2008_37_2_a7/ %G en %F CC_2008_37_2_a7