@article{MZM_2014_95_4_a14,
     author = {I. V. Podvigin},
     title = {On the {Exponential} {Rate} of {Convergence} in the {Birkhoff} {Ergodic} {Theorem}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {638--640},
     publisher = {mathdoc},
     volume = {95},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2014_95_4_a14/}
}