@article{02166118,
title = {Some counterexamples in dynamics of rational semigroups.},
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {29},
year = {2004},
pages = {357-366},
zbl = {1065.37032},
language = {en},
url = {http://dml.mathdoc.fr/item/02166118}
}
Stankewitz, Rich; Sugawa, Toshiyuki; Sumi, Hiroki. Some counterexamples in dynamics of rational semigroups.. Annales Academiae Scientiarum Fennicae. Mathematica, Tome 29 (2004) pp. 357-366. http://gdmltest.u-ga.fr/item/02166118/