@article{10_4153_S0008439519000110,
     author = {Frej, Bartosz and Huczek, Dawid},
     title = {A {Comment} on {Ergodic} {Theorem} for {Amenable} {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {257--261},
     year = {2020},
     volume = {63},
     number = {2},
     doi = {10.4153/S0008439519000110},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439519000110/}
}