%0 Journal Article
%A H. Hofer
%A E. Zehnder
%T Periodic Solutions on hypersurfaces and a result by C. Viterbo.
%J Inventiones mathematicae
%D 1987
%P 1-10
%V 90
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1987__90_143499/
%F IM_1987__90_143499