@article{CM_1971__23_1_115_0,
     author = {Pugh, Charles and Shub, Michael},
     title = {Ergodic elements of ergodic actions},
     journal = {Compositio Mathematica},
     pages = {115--122},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {23},
     number = {1},
     year = {1971},
     mrnumber = {283174},
     zbl = {0225.28009},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1971__23_1_115_0/}
}