@article{DA_2020_27_3_a5,
     author = {A. D. Yashunsky},
     title = {On the approximation of random variables on~a~finite~chain},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {109--125},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2020_27_3_a5/}
}