TY - JOUR AU - Adrian Dumitrescu AU - Minghui Jiang TI - On a covering problem for equilateral triangles JO - The electronic journal of combinatorics PY - 2008 VL - 15 UR - http://geodesic.mathdoc.fr/articles/10.37236/761/ DO - 10.37236/761 ID - 10_37236_761 ER -