@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/