%0 Journal Article %A V. V. Petrov %A V. I. Sobolev %T Entropy approach to the estimation of automatic control system %J Doklady Akademii Nauk %D 1986 %P 799-801 %V 287 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_287_4_a5/ %G ru %F DAN_1986_287_4_a5