%0 Journal Article %A Yu. N. Kiselev %T Approximation of Convex Compact Sets by Ellipsoids. Ellipsoids of Best Approximation %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2008 %P 103-126 %V 262 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2008_262_a8/ %G ru %F TM_2008_262_a8