%0 Journal Article %A Fernández-Cara, E. %T Null controllability of the semilinear heat equation %J ESAIM: Control, Optimisation and Calculus of Variations %D 1997 %P 87-103 %V 2 %I EDP-Sciences %U http://www.numdam.org/item/COCV_1997__2__87_0/ %G en %F COCV_1997__2__87_0