@article{DAN_1960_131_3_a4,
     author = {A. L. Brudno and A. L. Lunts},
     title = {On filtration of random sequences},
     journal = {Doklady Akademii Nauk},
     pages = {485--488},
     publisher = {mathdoc},
     volume = {131},
     number = {3},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_131_3_a4/}
}