%0 Journal Article
%A Franks, John
%T Periodic points and rotation numbers for area preserving diffeomorphisms of the plane
%J Publications Mathématiques de l'IHÉS
%D 1990
%P 105-120
%V 71
%I Institut des Hautes Études Scientifiques
%U http://www.numdam.org/item/PMIHES_1990__71__105_0/
%G en
%F PMIHES_1990__71__105_0