Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{IM_1978__44_142530, author = {Raphael M. Robinson}, title = {Undecidable {Tiling} {Problems} in the {Hyperbolic} {Plane.}}, journal = {Inventiones mathematicae}, pages = {259--264}, publisher = {mathdoc}, volume = {44}, year = {1978}, zbl = {0354.50006}, url = {http://geodesic.mathdoc.fr/item/IM_1978__44_142530/} }
Raphael M. Robinson. Undecidable Tiling Problems in the Hyperbolic Plane.. Inventiones mathematicae, Tome 44 (1978), pp. 259-264. http://geodesic.mathdoc.fr/item/IM_1978__44_142530/