Yuqin Zhang, Yonghui Fan. Packing and Covering a Unit Equilateral Triangle with Equilateral Triangles. Electr. J. Comb., 12, 2005. [doi]
@article{ZhangF05-0, title = {Packing and Covering a Unit Equilateral Triangle with Equilateral Triangles}, author = {Yuqin Zhang and Yonghui Fan}, year = {2005}, url = {http://www.combinatorics.org/Volume_12/Abstracts/v12i1r55.html}, researchr = {https://researchr.org/publication/ZhangF05-0}, cites = {0}, citedby = {0}, journal = {Electr. J. Comb.}, volume = {12}, }