@article{PORMA_1994__51_3_47166,
     author = {Fabre, Caroline and Puel, Jean-Pierre},
     title = {Pointwise controllability as limit of internal controllability for the wave equation in one space dimension.},
     journal = {Portugaliae mathematica},
     pages = {335--350},
     publisher = {mathdoc},
     volume = {51},
     number = {3},
     year = {1994},
     zbl = {0814.35066},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1994__51_3_47166/}
}