%0 Journal Article %A Daniel Rudolph %T A Two-Valued Step Coding for Ergodic Flows. %J Mathematische Zeitschrift %D 1976 %P 201-220 %V 150 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1976__150_172418/ %F MZ_1976__150_172418