@article{10_4153_S0008439520000867,
     author = {Beardon, A. F. and Minda, D.},
     title = {Surjective isometries of metric geometries},
     journal = {Canadian mathematical bulletin},
     pages = {828--839},
     year = {2021},
     volume = {64},
     number = {4},
     doi = {10.4153/S0008439520000867},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439520000867/}
}