%0 Journal Article %A V. S. Pugachev %T Recursive estimation of variables and parameters in Markov systems at discrete measurements %J Doklady Akademii Nauk %D 1979 %P 1077-1080 %V 244 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_244_5_a7/ %G ru %F DAN_1979_244_5_a7