%0 Journal Article %A R. M. Trigub %T The exact order of approximation to periodic functions by Bernstein-Stechkin polynomials %J Sbornik. Mathematics %D 2013 %P 1819-1838 %V 204 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2013_204_12_a6/ %G en %F SM_2013_204_12_a6