@article{IVM_1989_11_a8,
     author = {A. V. Lyubimov and E. V. Postnikov},
     title = {Optimal estimation of the state of a~discrete stochastic system with controllable observations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {51--60},
     publisher = {mathdoc},
     number = {11},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1989_11_a8/}
}