%0 Journal Article %A V. I. Berdyshev %T Differentiation of Location Error %J Informatics and Automation %D 1997 %P 74-79 %V 219 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1997_219_a5/ %G ru %F TRSPY_1997_219_a5