@article{CMUC_1977__18_3_a0,
     author = {Sato, Ryotaro},
     title = {An {Abelian} ergodic theorem},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {415--422},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1977},
     mrnumber = {0492183},
     zbl = {0358.47006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1977__18_3_a0/}
}