POON, Y. S. Adjunction mappings on numerical quadrics. Mathematica Scandinavica, Berkeley, CA, United States, v. 80, p. 161–174, 1997. DOI: 10.7146/math.scand.a-12616. Disponível em: https://journals.msp.org/mscand/article/view/1012. Acesso em: 25 jul. 2026.