TY - JOUR AU - Lagnese, John E. TI - A singular perturbation problem in exact controllability of the Maxwell system JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2001 SP - 275 EP - 289 VL - 6 PB - EDP-Sciences UR - http://archive.numdam.org/item/COCV_2001__6__275_0/ LA - en ID - COCV_2001__6__275_0 ER -