%0 Journal Article %A Klaus Schmidt %A William Parry %T Natural coefficients and invariants for Markov-shifts. %J Inventiones mathematicae %D 1984 %P 15-32 %V 76 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1984__76_143113/ %F IM_1984__76_143113