GONZÁLEZ AGUILERA, V. On a pencil of 𝘒₃ surfaces. CUBO, A Mathematical Journal, [S. l.], n. 8, p. 21–23, 1992. Disponível em: https://www.perspectivasdelacomunicacion.cl/ojs/index.php/cubo/article/view/1565. Acesso em: 20 may. 2024.