@article{MZ_1996__222_3_174880,
     author = {A. Hinkkaken and G.J. Martin},
     title = {Julia sets of rational semigroups.},
     journal = {Mathematische Zeitschrift},
     pages = {161--170},
     year = {1996},
     volume = {222},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__222_3_174880/}
}