@article{1183524458, author = {Lax, Peter D. and Phillips, Ralph S.}, title = {The wave equation in exterior domains}, journal = {Bull. Amer. Math. Soc.}, volume = {68}, number = {6}, year = {1962}, pages = { 47-49}, language = {en}, url = {http://dml.mathdoc.fr/item/1183524458} }
Lax, Peter D.; Phillips, Ralph S. The wave equation in exterior domains. Bull. Amer. Math. Soc., Tome 68 (1962) no. 6, pp. 47-49. http://gdmltest.u-ga.fr/item/1183524458/