@inproceedings{1047304,
    title = "The Pythagorean educational system and its perennial value",
    author = "Σακελλαρίου, Γεώργιος Θ.",
    year = "1957",
    pages = "36-42",
    publisher = "Γαλλικό Ινστιτούτο Αθηνών",
    booktitle = "First World Congress of Pythagorean Organizations: proceedings of the congress, Athens, Samos and Brussels, July-August 1955"
}