@article{10_2307_121063,
     author = {Alex Furman},
     title = {Orbit equivalence rigidity},
     journal = {Annals of mathematics},
     year = {1999},
     volume = {150},
     number = {3},
     doi = {10.2307/121063},
     zbl = {0943.22012},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/121063/}
}