Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1970__190_162112, author = {W. von WAHL}, title = {Periodic {Solutions} of {Nonlinear} {Wave-Equations} with a {Dissipative} {Term.}}, journal = {Mathematische Annalen}, pages = {313--322}, publisher = {mathdoc}, volume = {190}, year = {1970}, zbl = {0198.43704}, url = {http://geodesic.mathdoc.fr/item/MAN_1970__190_162112/} }
W. von WAHL. Periodic Solutions of Nonlinear Wave-Equations with a Dissipative Term.. Mathematische Annalen, Tome 190 (1970), pp. 313-322. http://geodesic.mathdoc.fr/item/MAN_1970__190_162112/