@article{CRMATH_2006__343_10_653_0,
     author = {Foreman, Matthew D. and Rudolph, Daniel J. and Weiss, Benjamin},
     title = {On the conjugacy relation in ergodic theory},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {653--656},
     publisher = {Elsevier},
     volume = {343},
     number = {10},
     year = {2006},
     doi = {10.1016/j.crma.2006.09.011},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2006.09.011/}
}