%0 Journal Article
%A W. von WAHL
%T Periodic Solutions of Nonlinear Wave-Equations with a Dissipative Term.
%J Mathematische Annalen
%D 1970
%P 313-322
%V 190
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1970__190_162112/
%F MAN_1970__190_162112