@article{COCV_2001__6__275_0,
     author = {Lagnese, John E.},
     title = {A singular perturbation problem in exact controllability of the {Maxwell} system},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {275--289},
     publisher = {EDP-Sciences},
     volume = {6},
     year = {2001},
     mrnumber = {1824104},
     zbl = {1030.93025},
     language = {en},
     url = {http://archive.numdam.org/item/COCV_2001__6__275_0/}
}