@article{AFM_1975_1_2_a10,
     author = {Pekka Tukia},
     title = {Multiplier preserving isomorphisms between {M\"obius} groups},
     journal = {Annales Fennici Mathematici},
     pages = {327--341},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1975},
     doi = {10.5186/aasfm.1975.0125},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1975.0125/}
}