TY - JOUR AU - T. Berry TI - Points at rational distance from the vertices of a triangle JO - Acta Arithmetica PY - 1992 SP - 391 EP - 398 VL - 62 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-62-4-391-398/ DO - 10.4064/aa-62-4-391-398 LA - en ID - 10_4064_aa_62_4_391_398 ER -