@article{01278973, title = {Rigidity of infinite disk patterns.}, journal = {Annals of Mathematics. Second Series}, volume = {150}, year = {1999}, pages = {1-33}, doi = {10.2307/121018}, zbl = {0922.30020}, language = {en}, url = {http://dml.mathdoc.fr/item/01278973} }
He, Zheng-Xu. Rigidity of infinite disk patterns.. Annals of Mathematics. Second Series, Tome 150 (1999) pp. 1-33. doi : 10.2307/121018. http://gdmltest.u-ga.fr/item/01278973/