@article{AFM_2001_26_2_a12,
     author = {Rub\'en A. Hidalgo and Antonio F. Costa},
     title = {Anticonformal automorphisms and {Schottky} coverings},
     journal = {Annales Fennici Mathematici},
     pages = {489--508},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2001_26_2_a12/}
}