@article{10_4171_ggd_423,
     author = {Mark C. Bell and Saul Schleimer},
     title = {Slow north-south dynamics on $\mathcal {PML}$},
     journal = {Groups, geometry, and dynamics},
     pages = {1103--1112},
     year = {2017},
     volume = {11},
     number = {3},
     doi = {10.4171/ggd/423},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/423/}
}