@article{TVP_1957_2_1_a4,
     author = {B. A. Sevast'yanov},
     title = {An {Ergodic} {Theorem} for {Markov} {Processes} and {Its} {Application} to {Telephone} {Systems} with {Refusals}},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {106--116},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1957_2_1_a4/}
}