@article{AM_2000_151_3_a4,
     author = {Daniel J. Rudolph and Benjamin Weiss},
     title = {Entropy and mixing for amenable group actions},
     journal = {Annals of mathematics},
     publisher = {mathdoc},
     volume = {151},
     number = {3},
     year = {2000},
     url = {http://geodesic.mathdoc.fr/item/AM_2000_151_3_a4/}
}