@article{04067471, title = {On a nonlinear wave equation in unbounded domains.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {11}, year = {1988}, pages = {335-342}, doi = {10.1155/S0161171288000390}, zbl = {0654.35068}, language = {en}, url = {http://dml.mathdoc.fr/item/04067471} }
Vasconcellos, Carlos Frederico. On a nonlinear wave equation in unbounded domains.. International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988) pp. 335-342. doi : 10.1155/S0161171288000390. http://gdmltest.u-ga.fr/item/04067471/