@article{GDZPPN002332914,
title = {Singular points of a convex tiling.},
journal = {Mathematische Annalen},
volume = {283},
year = {1989},
pages = {601-616},
zbl = {0662.52008},
url = {http://dml.mathdoc.fr/item/GDZPPN002332914}
}
Nielsen, Mark J. Singular points of a convex tiling.. Mathematische Annalen, Tome 283 (1989) pp. 601-616. http://gdmltest.u-ga.fr/item/GDZPPN002332914/