%0 Journal Article %A V. S. Pugachev %T Estimation of variables and parameters in stochastic systems described by differential equations %J Doklady Akademii Nauk %D 1978 %P 1031-1034 %V 241 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_241_5_a8/ %G ru %F DAN_1978_241_5_a8