@article{COCV_2003__9__621_0,
     author = {Phung, Kim-Dang},
     title = {Remarques sur l'observabilit\'e pour l'\'equation de {Laplace}},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {621--635},
     publisher = {EDP-Sciences},
     volume = {9},
     year = {2003},
     doi = {10.1051/cocv:2003030},
     zbl = {1076.93009},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1051/cocv:2003030/}
}