TY - JOUR AU - F. Boyer TI - On the penalised HUM approach and its applications to the numerical approximation of null-controls for parabolic problems JO - ESAIM. Proceedings PY - 2013 SP - 15 EP - 58 VL - 41 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/proc/201341002/ DO - 10.1051/proc/201341002 LA - en ID - EP_2013_41_a2 ER -