%0 Journal Article %A A. V. Rozhdestvenskii %T A Sharp Estimate for the Rate of Convergence in Mean of Birkhoff Sums for Some Classes of Periodic Differentiable Functions %J Funkcionalʹnyj analiz i ego priloženiâ %D 2006 %P 43-51 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2006_40_1_a3/ %G ru %F FAA_2006_40_1_a3