CARVALHO, F. J. C. D. A projective Gauss map associated with a hypersurface and a hyperplane. MATHEMATICA SCANDINAVICA, [S. l.], v. 50, p. 145–148, 1982. DOI: 10.7146/math.scand.a-11951. Disponível em: https://www.mscand.dk/article/view/11951. Acesso em: 24 nov. 2024.