@article{CLTM_2008_2008_1_a3,
     author = {Nicaise, S.},
     title = {Boundary observability of a numerical approximation scheme of {Maxwell's} system in a cube},
     journal = {Collectanea mathematica},
     publisher = {mathdoc},
     volume = {59},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_2008_2008_1_a3/}
}