@article{10_4064_aa_62_4_391_398,
     author = {T. Berry},
     title = {Points at rational distance from the vertices of a triangle},
     journal = {Acta Arithmetica},
     pages = {391--398},
     publisher = {mathdoc},
     volume = {62},
     number = {4},
     year = {1992},
     doi = {10.4064/aa-62-4-391-398},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-62-4-391-398/}
}