@article{TVP_1963_8_3_a1,
     author = {A. A. Borovkov},
     title = {On {Discrete} {Quening} {Systems}},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {251--263},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1963_8_3_a1/}
}