Undecidability and Nonperiodicity for Tilings of the Plane.
Inventiones mathematicae, Tome 12 (1971), pp. 177-209
@article{IM_1971__12_142073,
author = {Raphael M. Robinson},
title = {Undecidability and {Nonperiodicity} for {Tilings} of the {Plane.}},
journal = {Inventiones mathematicae},
pages = {177--209},
year = {1971},
volume = {12},
zbl = {0197.46801},
url = {http://geodesic.mathdoc.fr/item/IM_1971__12_142073/}
}
Raphael M. Robinson. Undecidability and Nonperiodicity for Tilings of the Plane.. Inventiones mathematicae, Tome 12 (1971), pp. 177-209. http://geodesic.mathdoc.fr/item/IM_1971__12_142073/