PERUGI, G. Enrico Betti: the scientific and civil commitment of a mathematician. Il Colle di Galileo, [S. l.], v. 13, n. 2, p. 17–28, 2024. Disponível em: https://oajournals.fupress.net/index.php/cdg/article/view/15666. Acesso em: 6 apr. 2025.