%0 Journal Article %A V. Ya. Dzhafarov %T Stability of a guaranteed result in the problem of positional %J Doklady Akademii Nauk %D 1985 %P 27-31 %V 285 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_285_1_a4/ %G ru %F DAN_1985_285_1_a4