@article{01622525, title = {Conformally symmetric circle packings: A generalization of Doyle's spirals.}, journal = {Experimental Mathematics}, volume = {10}, year = {2001}, pages = {141-150}, doi = {10.1080/10586458.2001.10504437}, zbl = {0987.52008}, language = {en}, url = {http://dml.mathdoc.fr/item/01622525} }
Bobenko, Alexander I.; Hoffmann, Tim. Conformally symmetric circle packings: A generalization of Doyle's spirals.. Experimental Mathematics, Tome 10 (2001) pp. 141-150. doi : 10.1080/10586458.2001.10504437. http://gdmltest.u-ga.fr/item/01622525/