@article{AFM_1973_521-560_a15,
     author = {Tapani Kuusalo},
     title = {Boundary mappings of geometric isomorphisms of fuchsian groups},
     journal = {Annales Fennici Mathematici},
     year = {1973},
     volume = {521-560},
     doi = {10.5186/aasfm.1973.545},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1973.545/}
}