@article{1104286245,
author = {Radin, Charles and Sadun, Lorenzo},
title = {The isoperimetric problem for pinwheel tilings},
journal = {Comm. Math. Phys.},
volume = {174},
number = {3},
year = {1996},
pages = { 255-263},
language = {en},
url = {http://dml.mathdoc.fr/item/1104286245}
}
Radin, Charles; Sadun, Lorenzo. The isoperimetric problem for pinwheel tilings. Comm. Math. Phys., Tome 174 (1996) no. 3, pp. 255-263. http://gdmltest.u-ga.fr/item/1104286245/