@article{10_4171_ggd_627,
     author = {Carlos Cabrera and Peter Makienko},
     title = {Amenability and measure of maximal entropy for semigroups of rational maps},
     journal = {Groups, geometry, and dynamics},
     pages = {1139--1174},
     year = {2021},
     volume = {15},
     number = {4},
     doi = {10.4171/ggd/627},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/627/}
}