Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1992__49_4_115801, author = {Haraux, A.}, title = {Remarks on the wave equation with a nonlinear term with respect to the velocity}, journal = {Portugaliae mathematica}, pages = {447--454}, publisher = {mathdoc}, volume = {49}, number = {4}, year = {1992}, mrnumber = {1300578}, zbl = {0782.35042}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1992__49_4_115801/} }
Haraux, A. Remarks on the wave equation with a nonlinear term with respect to the velocity. Portugaliae mathematica, Tome 49 (1992) no. 4, pp. 447-454. http://geodesic.mathdoc.fr/item/PORMA_1992__49_4_115801/