To ergo tu Diophantu "Peri polygōnōn arithmōn" eisagōgē, archaio keimeno, apodosē stē Neoellēnikē, epexēgēseis, scholia, istorika stoicheia - Diophantus Alexandrinus ca. 3. Jh (Aithra, erga archaiōn Ellēnōn mathēmatikōn kai astronomōn, 2009)