@incollection{JEDP_1980____A14_0,
     author = {Bardos, Claude and Guillot, Jean-Claude and Ralston, James},
     title = {Relation de {Poisson} pour l'\'equation des ondes dans un ouvert non born\'e. {Application} au scattering},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {14},
     pages = {1--2},
     publisher = {Ecole polytechnique},
     year = {1980},
     zbl = {0443.35038},
     language = {fr},
     url = {http://www.numdam.org/item/JEDP_1980____A14_0/}
}