@article{01651229,
title = {Geometry of stationary sets for the wave equation in },
journal = {Southwest Journal of Pure and Applied Mathematics [electronic only]},
volume = {2001},
year = {2001},
pages = {29-37},
zbl = {0988.35016},
language = {en},
url = {http://dml.mathdoc.fr/item/01651229}
}
Agranovsky, Mark L.; Quinto, Eric Todd. Geometry of stationary sets for the wave equation in . Southwest Journal of Pure and Applied Mathematics [electronic only], Tome 2001 (2001) pp. 29-37. http://gdmltest.u-ga.fr/item/01651229/