@article{10_4171_ggd_399,
     author = {Witsarut Pho-On},
     title = {Infinite unicorn paths and {Gromov} boundaries},
     journal = {Groups, geometry, and dynamics},
     pages = {353--370},
     year = {2017},
     volume = {11},
     number = {1},
     doi = {10.4171/ggd/399},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/399/}
}