%0 Journal Article %A J.B. WALSH %T Time Reversal and the Completion of Markov Processes %J Inventiones mathematicae %D 1970 %P 57-81 %V 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1970__10_142022/ %F IM_1970__10_142022