@article{COCV_2012__18_3_748_0,
     author = {Fardigola, Larissa V.},
     title = {Controllability problems for the {1-D} wave equation on a half-axis with the {Dirichlet} boundary control},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {748--773},
     publisher = {EDP-Sciences},
     volume = {18},
     number = {3},
     year = {2012},
     doi = {10.1051/cocv/2011169},
     mrnumber = {3041663},
     zbl = {1252.93023},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2011169/}
}