TY - JOUR AU - Neitzel, Ira AU - Tröltzsch, Fredi TI - On regularization methods for the numerical solution of parabolic control problems with pointwise state constraints JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2009 SP - 426 EP - 453 VL - 15 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2008038/ DO - 10.1051/cocv:2008038 LA - en ID - COCV_2009__15_2_426_0 ER -