@article{10_4064_fm167_3_1,
     author = {Alessandro Andretta and Riccardo Camerlo and Greg Hjorth},
     title = {Conjugacy equivalence relation on subgroups},
     journal = {Fundamenta Mathematicae},
     pages = {189--212},
     publisher = {mathdoc},
     volume = {167},
     number = {3},
     year = {2001},
     doi = {10.4064/fm167-3-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm167-3-1/}
}