%0 Journal Article %A F. Takens %T Chaos in systems beyond hyperbolicity %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1997 %P 364-369 %V 216 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1997_216_a23/ %G en %F TM_1997_216_a23