@article{DM_1998_10_4_a5,
     author = {B. V. Gladkov and A. N. Datsenko-Chigorin},
     title = {Discrete optimal filtering},
     journal = {Diskretnaya Matematika},
     pages = {88--103},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1998_10_4_a5/}
}