%0 Journal Article %A M. V. Deikalova %A A. Yu. Torgashova %T Best One-Sided Approximation in the Mean of the Characteristic Function of an Interval by Algebraic Polynomials %J Trudy Instituta matematiki i mehaniki %D 2018 %P 110-125 %V 24 %N 4 %U http://geodesic.mathdoc.fr/item/TIMM_2018_24_4_a8/ %G ru %F TIMM_2018_24_4_a8