@article{AFM_2007_32_1_a5, author = {Peter H\"ast\"o and Zair Ibragimov}, title = {Apollonian isometries of regular domains are {M\"obius} mappings}, journal = {Annales Fennici Mathematici}, pages = {83--98}, publisher = {mathdoc}, volume = {32}, number = {1}, year = {2007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AFM_2007_32_1_a5/} }