%0 Journal Article %A G. K. Lebed' %T Certain problems involved in the approximation of functions of one variable by algebraic polynomials %J Doklady Akademii Nauk %D 1958 %P 239-242 %V 118 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_118_2_a8/ %G ru %F DAN_1958_118_2_a8