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@article{PORMA_2000__57_4_48872, author = {Liu, Wei-Jiu}, title = {Exact distributed controllability for the semilinear wave equation.}, journal = {Portugaliae mathematica}, pages = {493--508}, publisher = {mathdoc}, volume = {57}, number = {4}, year = {2000}, zbl = {0967.93009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_2000__57_4_48872/} }
Liu, Wei-Jiu. Exact distributed controllability for the semilinear wave equation.. Portugaliae mathematica, Tome 57 (2000) no. 4, pp. 493-508. http://geodesic.mathdoc.fr/item/PORMA_2000__57_4_48872/