POON, Y. S. Adjunction mappings on numerical quadrics. MATHEMATICA SCANDINAVICA, [S. l.], v. 80, p. 161–174, 1997. DOI: 10.7146/math.scand.a-12616. Disponível em: https://www.mscand.dk/article/view/12616. Acesso em: 27 nov. 2024.