%0 Journal Article
%A H. Hofer
%A K. Wysocki
%T First order elliptic systems and the existence of homoclinic orbits in Hamiltonian systems.
%J Mathematische Annalen
%D 1990
%P 483-504
%V 288
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1990__288_1_164745/
%F MAN_1990__288_1_164745