A parametrization of equilateral triangles having integer coordinates.
Ionascu, Eugen J.
Journal of Integer Sequences [electronic only], Tome 10 (2007), / Harvested from The Electronic Library of Mathematics
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Publié le : 2007-01-01
EUDML-ID : urn:eudml:doc:54284 
@article{05274230,
     title = {A parametrization of equilateral triangles having integer coordinates.},
     journal = {Journal of Integer Sequences [electronic only]},
     volume = {10},
     year = {2007},
     zbl = {1140.11322},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05274230}
}

Ionascu, Eugen J. A parametrization of equilateral triangles having integer coordinates.. Journal of Integer Sequences [electronic only], Tome 10 (2007) . http://gdmltest.u-ga.fr/item/05274230/