@article{GDZPPN002109506, title = {Rigidity of planar tilings.}, journal = {Inventiones mathematicae}, volume = {110}, year = {1992}, pages = {637-652}, zbl = {0758.52015}, url = {http://dml.mathdoc.fr/item/GDZPPN002109506} }
Kenyon, Richard. Rigidity of planar tilings.. Inventiones mathematicae, Tome 110 (1992) pp. 637-652. http://gdmltest.u-ga.fr/item/GDZPPN002109506/