@article{01505611,
title = {Protecting regular polygons.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {41},
year = {2000},
pages = {391-399},
zbl = {0974.52016},
language = {en},
url = {http://dml.mathdoc.fr/item/01505611}
}
Kemnitz, Arnfried; Szabó, László; Ujváry-Menyhárt, Zoltán. Protecting regular polygons.. Beiträge zur Algebra und Geometrie, Tome 41 (2000) pp. 391-399. http://gdmltest.u-ga.fr/item/01505611/