%0 Journal Article %A Eduard Zehnder %T The topological behaviour of a diffeomorphism near a fixed point. %J Manuscripta mathematica %D 1984 %P 251-262 %V 47 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1984__47_155014/ %F MM2_1984__47_155014