@article{DAN_1991_320_4_a9,
     author = {I. N. Sinitsyn and V. I. Shin},
     title = {State and parameter estimation in discrete stochastic systems by},
     journal = {Doklady Akademii Nauk},
     pages = {818--820},
     publisher = {mathdoc},
     volume = {320},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a9/}
}