TY - JOUR AU - Casas, E. AU - Kavian, O. AU - Puel, J.-P. TI - Optimal control of an ill-posed elliptic semilinear equation with an exponential non linearity JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 1998 SP - 361 EP - 380 VL - 3 PB - EDP-Sciences UR - http://www.numdam.org/item/COCV_1998__3__361_0/ LA - en ID - COCV_1998__3__361_0 ER -