@article{CRMATH_2015__353_1_63_0,
     author = {Tatsien Li and Bopeng Rao},
     title = {Crit\`eres du type de {K\'alm\'an} pour la contr\^olabilit\'e approch\'ee et la synchronisation approch\'ee d'un syst\`eme coupl\'e d'\'equations des ondes},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {63--68},
     publisher = {Elsevier},
     volume = {353},
     number = {1},
     year = {2015},
     doi = {10.1016/j.crma.2014.10.023},
     language = {fr},
}