TY - JOUR AU - Fernández-Cara, Enrique AU - Zuazua, Enrique TI - Null and approximate controllability for weakly blowing up semilinear heat equations JO - Annales de l'I.H.P. Analyse non linéaire PY - 2000 SP - 583 EP - 616 VL - 17 IS - 5 PB - Gauthier-Villars UR - http://archive.numdam.org/item/AIHPC_2000__17_5_583_0/ LA - en ID - AIHPC_2000__17_5_583_0 ER -