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@article{MZM_1968_3_1_a11, author = {D. I. Shparo}, title = {The {Martin} boundary for a~portion of {a~Markov} chain}, journal = {Matemati\v{c}eskie zametki}, pages = {93--102}, publisher = {mathdoc}, volume = {3}, number = {1}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1968_3_1_a11/} }
D. I. Shparo. The Martin boundary for a~portion of a~Markov chain. Matematičeskie zametki, Tome 3 (1968) no. 1, pp. 93-102. http://geodesic.mathdoc.fr/item/MZM_1968_3_1_a11/