%0 Journal Article %A A. G. Kachurovskii %A V. V. Sedalishchev %T Constants in estimates for the rates of convergence in von Neumann's and Birkhoff's ergodic theorems %J Sbornik. Mathematics %D 2011 %P 1105-1125 %V 202 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2011_202_8_a1/ %G en %F SM_2011_202_8_a1