Rom Pinchasi. The Minimum Number of Distinct Areas of Triangles Determined by a Set of n Points in the Plane. SIAM J. Discrete Math., 22(2):828-831, 2008. [doi]
@article{Pinchasi08:0,
title = {The Minimum Number of Distinct Areas of Triangles Determined by a Set of n Points in the Plane},
author = {Rom Pinchasi},
year = {2008},
doi = {10.1137/07068299X},
url = {http://dx.doi.org/10.1137/07068299X},
researchr = {https://researchr.org/publication/Pinchasi08%3A0},
cites = {0},
citedby = {0},
journal = {SIAM J. Discrete Math.},
volume = {22},
number = {2},
pages = {828-831},
}