@article{COCV_2002__8__375_0,
     author = {Chambolle, Antonin and Santosa, Fadil},
     title = {Control of the wave equation by time-dependent coefficient},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {375--392},
     publisher = {EDP-Sciences},
     volume = {8},
     year = {2002},
     doi = {10.1051/cocv:2002029},
     mrnumber = {1932956},
     zbl = {1073.35032},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv:2002029/}
}