%0 Journal Article %A Herman, Michael %T Some open problems in dynamical systems %J Documenta mathematica %D 1998 %P 797-808 %V ICM Berlin 1998, Vol. II %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_1998__S8__a6/ %G en %F DOCMA_1998__S8__a6