@article{1183524931,
author = {Lax, Peter D. and Morawetz, Cathleen S. and Phillips, Ralph S.},
title = {The exponential decay of solutions of the wave equation in the exterior of a star-shaped obstacle},
journal = {Bull. Amer. Math. Soc.},
volume = {68},
number = {6},
year = {1962},
pages = { 593-595},
language = {en},
url = {http://dml.mathdoc.fr/item/1183524931}
}
Lax, Peter D.; Morawetz, Cathleen S.; Phillips, Ralph S. The exponential decay of solutions of the wave equation in the exterior of a star-shaped obstacle. Bull. Amer. Math. Soc., Tome 68 (1962) no. 6, pp. 593-595. http://gdmltest.u-ga.fr/item/1183524931/