@article{TVP_1979_24_2_a13,
     author = {N. N. Popov},
     title = {On the rate of convergence for countable {Markov} chains},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {395--399},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1979_24_2_a13/}
}