BRACKX, F.; DELANGHE, R.; SOMMEN, F. Differential Forms and/or Multi-vector Functions. CUBO, A Mathematical Journal, [S. l.], v. 7, n. 2, p. 139–169, 2005. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1547. Acesso em: 18 may. 2024.