TOLKSDORF, Jürgen. Dirac Type Gauge Theories – Motivations and Perspectives. CUBO, A Mathematical Journal, [S. l.], v. 11, n. 1, p. 21–54, 2009. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1478. Acesso em: 7 dec. 2025.