%0 Journal Article %A M. M. Khapaev %T On taking into account measurement errors by the mathematical %J Doklady Akademii Nauk %D 1993 %P 444 %V 330 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_330_4_a11/ %G ru %F DAN_1993_330_4_a11