@article{05241770,
title = {New extensions of Napoleon's theorem to higher dimensions.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {49},
year = {2008},
pages = {253-264},
zbl = {1142.51015},
language = {en},
url = {http://dml.mathdoc.fr/item/05241770}
}
Hajja, Mowaffaq; Martini, Horst; Spirova, Margarita. New extensions of Napoleon's theorem to higher dimensions.. Beiträge zur Algebra und Geometrie, Tome 49 (2008) pp. 253-264. http://gdmltest.u-ga.fr/item/05241770/