@article{TVP_1987_32_4_a9,
     author = {L. G. Mityushin},
     title = {On {Mixing} for {Complex} {Markov} {Chains} with {Varying} {Memory} {Depth}},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {743--750},
     year = {1987},
     volume = {32},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1987_32_4_a9/}
}