@article{01553186,
title = {Infinite regular hexagon sequences on a triangle.},
journal = {Experimental Mathematics},
volume = {9},
year = {2000},
pages = {397-406},
doi = {10.1080/10586458.2000.10504416},
zbl = {0966.51013},
language = {en},
url = {http://dml.mathdoc.fr/item/01553186}
}
Smith, Alvy Ray. Infinite regular hexagon sequences on a triangle.. Experimental Mathematics, Tome 9 (2000) pp. 397-406. doi : 10.1080/10586458.2000.10504416. http://gdmltest.u-ga.fr/item/01553186/