@article{DAN_1991_318_5_a19,
     author = {V. V. Yanshin},
     title = {Multiply connected {Markov} chains as three-dimensional matrices},
     journal = {Doklady Akademii Nauk},
     pages = {1108--1112},
     publisher = {mathdoc},
     volume = {318},
     number = {5},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_5_a19/}
}