@article{AIHPC_1993__10_1_109_0,
     author = {Zuazua, E.},
     title = {Exact controllability for semilinear wave equations in one space dimension},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {109--129},
     publisher = {Gauthier-Villars},
     volume = {10},
     number = {1},
     year = {1993},
     mrnumber = {1212631},
     zbl = {0769.93017},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPC_1993__10_1_109_0/}
}