%0 Journal Article %A V. G. Pokotilo %T On optimal measuring devices %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1995 %P 377-386 %V 211 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1995_211_a25/ %G ru %F TM_1995_211_a25