@article{SM_2011_202_8_a1,
     author = {A. G. Kachurovskii and V. V. Sedalishchev},
     title = {Constants in estimates for the rates of convergence in von {Neumann's} and {Birkhoff's} ergodic theorems},
     journal = {Sbornik. Mathematics},
     pages = {1105--1125},
     year = {2011},
     volume = {202},
     number = {8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2011_202_8_a1/}
}