%0 Journal Article %A Lanford III, Oscar E. %T Informal remarks on the orbit structure of discrete approximations to chaotic maps. %J Experimental mathematics %D 1998 %P 317-324 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/EXMA_1998__7_4_225379/ %G en %F EXMA_1998__7_4_225379