%0 Journal Article %A A. V. Parfenenkov %T The best extension of algebraic polynomials from the unit circle %J Trudy Instituta matematiki i mehaniki %D 2009 %P 184-194 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2009_15_1_a14/ %G ru %F TIMM_2009_15_1_a14