%0 Journal Article
%A E.N. Dancer
%T Breaking of Symmetries for Forced Equations.
%J Mathematische Annalen
%D 1983
%P 473-486
%V 262
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1983__262_163719/
%F MAN_1983__262_163719