%0 Journal Article %A Yu. A. Belov %A V. S. Kas'yanyuk %T Optimal estimation of a linear functional from values of $n$ other %J Doklady Akademii Nauk %D 1986 %P 1033-1035 %V 289 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_289_5_a0/ %G ru %F DAN_1986_289_5_a0