TY - JOUR AU - G. A. Kalyabin TI - Extrapolations with the Least Norms in the Sobolev Spaces $W_2^n$ on the Half-Axis and the Whole Axis JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2003 SP - 230 EP - 236 VL - 243 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2003_243_a15/ LA - ru ID - TM_2003_243_a15 ER -