@inproceedings{1047379,
    title = "Esoteric pythagorism",
    author = "Hooghvorst, Emmanuel d’",
    year = "1957",
    pages = "100-109",
    publisher = "Γαλλικό Ινστιτούτο Αθηνών",
    booktitle = "First World Congress of Pythagorean Organizations: proceedings of the congress, Athens, Samos and Brussels, July-August 1955"
}