@article{DAN_1979_244_5_a7,
     author = {V. S. Pugachev},
     title = {Recursive estimation of variables and parameters in {Markov} systems at discrete measurements},
     journal = {Doklady Akademii Nauk},
     pages = {1077--1080},
     publisher = {mathdoc},
     volume = {244},
     number = {5},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_244_5_a7/}
}