Andrzej Zak. A note on perfect dissections of an equilateral triangle. Australasian J. Combinatorics, 44:87-94, 2009. [doi]
@article{Zak09-0, title = {A note on perfect dissections of an equilateral triangle}, author = {Andrzej Zak}, year = {2009}, url = {http://ajc.maths.uq.edu.au/pdf/44/ajc_v44_p087.pdf}, researchr = {https://researchr.org/publication/Zak09-0}, cites = {0}, citedby = {0}, journal = {Australasian J. Combinatorics}, volume = {44}, pages = {87-94}, }