TY - JOUR AU - J.B. WALSH TI - Time Reversal and the Completion of Markov Processes JO - Inventiones mathematicae PY - 1970 SP - 57 EP - 81 VL - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1970__10_142022/ ID - IM_1970__10_142022 ER -