@article{CRMATH_2006__342_12_937_0,
     author = {Tatsien Li},
     title = {Observabilit\'e exacte fronti\`ere pour des syst\`emes hyperboliques quasi-lin\'eaires},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {937--942},
     publisher = {Elsevier},
     volume = {342},
     number = {12},
     year = {2006},
     doi = {10.1016/j.crma.2006.02.036},
     language = {fr},
}