@article{05540942,
title = {On a covering problem for equilateral triangles.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {15},
year = {2008},
zbl = {1160.52014},
language = {en},
url = {http://dml.mathdoc.fr/item/05540942}
}
Dumitrescu, Adrian; Jiang, Minghui. On a covering problem for equilateral triangles.. The Electronic Journal of Combinatorics [electronic only], Tome 15 (2008) . http://gdmltest.u-ga.fr/item/05540942/