@article {MR2576898,
AUTHOR = {Coron, Jean-Michel and Ervedoza, Sylvain and Glass, Olivier},
TITLE = {Uniform observability estimates for the 1-{D} discretized wave equation and the random choice method},
JOURNAL = {C. R. Math. Acad. Sci. Paris},
FJOURNAL = {Comptes Rendus Math\'ematique. Acad\'emie des Sciences. Paris},
VOLUME = {347},
YEAR = {2009},
NUMBER = {9-10},
PAGES = {505--510},
ISSN = {1631-073X},
MRCLASS = {93B07 (35L05 35L65 93C20)},
MRNUMBER = {2576898},
DOI = {10.1016/j.crma.2009.03.012},
URL = {http://dx.doi.org/10.1016/j.crma.2009.03.012}, }