@article{GDZPPN00242522X,
title = {Finite-Time Blow-Up for Solutions of Nonlinear Wave Equations.},
journal = {Mathematische Zeitschrift},
volume = {177},
year = {1981},
pages = {323-340},
zbl = {0438.35045},
url = {http://dml.mathdoc.fr/item/GDZPPN00242522X}
}
Glassey, Robert T. Finite-Time Blow-Up for Solutions of Nonlinear Wave Equations.. Mathematische Zeitschrift, Tome 177 (1981) pp. 323-340. http://gdmltest.u-ga.fr/item/GDZPPN00242522X/