%0 Journal Article
%A John Franks
%T Geodesics on S2 and periodic points of annulus homeomorphisms.
%J Inventiones mathematicae
%D 1992
%P 403-418
%V 108
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1992__108_2_144001/
%F IM_1992__108_2_144001