@article{MAN_1993__296_4_165099,
     author = {A. Guvan Robertson},
     title = {Property {(T)} for ... {Factors} and unitary representations of {Kazhdan} groups.},
     journal = {Mathematische Annalen},
     pages = {547--556},
     publisher = {mathdoc},
     volume = {296},
     number = {4},
     year = {1993},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__296_4_165099/}
}