@article{JRAM_1996__480_153866,
     author = {Marcelo Laca and Jack Spielberg},
     title = {Purely infinite {C*-algebras} from boundary actions of discrete groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {125--140},
     publisher = {mathdoc},
     volume = {480},
     year = {1996},
     zbl = {0863.46044},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1996__480_153866/}
}