@article{CRMATH_2007__345_3_133_0,
     author = {Ibrahim, Slim and Majdoub, Mohamed and Masmoudi, Nader},
     title = {Ill-posedness of $ {H}^{1}$-supercritical waves},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {133--138},
     publisher = {Elsevier},
     volume = {345},
     number = {3},
     year = {2007},
     doi = {10.1016/j.crma.2007.06.008},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2007.06.008/}
}