%0 Journal Article %A G. A. Kalyabin %T Extrapolations with the Least Norms in the Sobolev Spaces $W_2^n$ on the Half-Axis and the Whole Axis %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2003 %P 230-236 %V 243 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2003_243_a15/ %G ru %F TM_2003_243_a15