@article{SEDP_2001-2002____A7_0,
     author = {Bachelot, Alain},
     title = {Wave {Equation} and {Causality} {Violation}},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:7},
     pages = {1--13},
     publisher = {Centre de math\'ematiques Laurent Schwartz, \'Ecole polytechnique},
     year = {2001-2002},
     language = {en},
     url = {http://www.numdam.org/item/SEDP_2001-2002____A7_0/}
}