@article{10_4153_CJM_1983_062_3,
     author = {O'Brien, G. L.},
     title = {Obtaining {Prescribed} {Rates} of {Convergence} for the {Ergodic} {Theorem}},
     journal = {Canadian journal of mathematics},
     pages = {1129--1146},
     year = {1983},
     volume = {35},
     number = {6},
     doi = {10.4153/CJM-1983-062-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1983-062-3/}
}