@article{DAN_1962_147_6_a7,
     author = {M. Rosenblatt-Roth},
     title = {On the law of large numbers and on the strong law of large numbers for non-homogeneous {Markov} chains},
     journal = {Doklady Akademii Nauk},
     pages = {1294--1295},
     publisher = {mathdoc},
     volume = {147},
     number = {6},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_147_6_a7/}
}