BELTRAMETTI, M.; SOMMESE, A. J. On the relative adjunction mapping. Mathematica Scandinavica, Berkeley, CA, United States, v. 65, p. 189–205, 1989. DOI: 10.7146/math.scand.a-12278. Disponível em: https://journals.msp.org/mscand/article/view/1372. Acesso em: 24 jul. 2026.