@article{10_37236_761, author = {Adrian Dumitrescu and Minghui Jiang}, title = {On a covering problem for equilateral triangles}, journal = {The electronic journal of combinatorics}, year = {2008}, volume = {15}, doi = {10.37236/761}, zbl = {1160.52014}, url = {http://geodesic.mathdoc.fr/articles/10.37236/761/} }