SIERRA, J. C. Surfaces in $G(1,5)$ with one apparent double point. MATHEMATICA SCANDINAVICA, [S. l.], v. 96, n. 2, p. 190–202, 2005. DOI: 10.7146/math.scand.a-14952. Disponível em: https://www.mscand.dk/article/view/14952. Acesso em: 27 apr. 2024.