@article{GDZPPN002445344,
title = {Global existence and asymptotic behavior of solutions for the Klein-Gordon equations with quadratic nonlinearity in two space dimensions.},
journal = {Mathematische Zeitschrift},
volume = {221},
year = {1996},
pages = {341-362},
zbl = {0877.35030},
url = {http://dml.mathdoc.fr/item/GDZPPN002445344}
}
Ozawa, Tohru; Tsutsumi, Y.; Tsutaya, K. Global existence and asymptotic behavior of solutions for the Klein-Gordon equations with quadratic nonlinearity in two space dimensions.. Mathematische Zeitschrift, Tome 221 (1996) pp. 341-362. http://gdmltest.u-ga.fr/item/GDZPPN002445344/