%0 Journal Article %A Neitzel, Ira %A Tröltzsch, Fredi %T On convergence of regularization methods for nonlinear parabolic optimal control problems with control and state constraints %J Control and Cybernetics %D 2008 %P 1013-1043 %V 37 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2008_37_4_a12/ %G en %F CC_2008_37_4_a12