@article{1256053439,
author = {Chou, Ching},
title = {Minimal sets and ergodic measures for $\beta N \backslash N$},
journal = {Illinois J. Math.},
volume = {13},
number = {4},
year = {1969},
pages = { 777-788},
language = {en},
url = {http://dml.mathdoc.fr/item/1256053439}
}
Chou, Ching. Minimal sets and ergodic measures for $\beta N \backslash N$. Illinois J. Math., Tome 13 (1969) no. 4, pp. 777-788. http://gdmltest.u-ga.fr/item/1256053439/