%0 Journal Article %A F. Boyer %T On the penalised HUM approach and its applications to the numerical approximation of null-controls for parabolic problems %J ESAIM. Proceedings %D 2013 %P 15-58 %V 41 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/proc/201341002/ %R 10.1051/proc/201341002 %G en %F EP_2013_41_a2