@article{AFM_1998_23_2_a3,
     author = {Torbj\"orn Lundh},
     title = {Discrete groups and thin sets},
     journal = {Annales Fennici Mathematici},
     pages = {291--315},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1998_23_2_a3/}
}