@article{GDZPPN002222086,
title = {Blow-Up of Solutions of Nonlinear Wave Equations in Three Space Dimensions.},
journal = {Manuscripta mathematica},
volume = {29},
year = {1979},
pages = {235-268},
zbl = {0406.35042},
url = {http://dml.mathdoc.fr/item/GDZPPN002222086}
}
John, Fritz. Blow-Up of Solutions of Nonlinear Wave Equations in Three Space Dimensions.. Manuscripta mathematica, Tome 29 (1979) pp. 235-268. http://gdmltest.u-ga.fr/item/GDZPPN002222086/