@article{IM_1970__10_142022,
     author = {J.B. WALSH},
     title = {Time {Reversal} and the {Completion} of {Markov} {Processes}},
     journal = {Inventiones mathematicae},
     pages = {57--81},
     year = {1970},
     volume = {10},
     zbl = {0201.20001},
     url = {http://geodesic.mathdoc.fr/item/IM_1970__10_142022/}
}