LEVSTEIN, F.; MALDONADO, C. Generalized quadrangles and subconstituent algebra. CUBO, A Mathematical Journal, [S. l.], v. 12, n. 2, p. 53–75, 2010. DOI: 10.4067/S0719-06462010000200005. Disponível em: https://www.perspectivasdelacomunicacion.cl/ojs/index.php/cubo/article/view/1407. Acesso em: 30 apr. 2024.