@article{GDZPPN002066629,
title = {Nonexistence of spatially localized free vibrations for a class of nonlinear wave equations.},
journal = {Commentarii mathematici Helvetici},
volume = {62},
year = {1987},
pages = {573-586},
zbl = {0656.35093},
url = {http://dml.mathdoc.fr/item/GDZPPN002066629}
}
Vuillermot, P.-A. Nonexistence of spatially localized free vibrations for a class of nonlinear wave equations.. Commentarii mathematici Helvetici, Tome 62 (1987) pp. 573-586. http://gdmltest.u-ga.fr/item/GDZPPN002066629/