LAKSOV, Dan. Some enumerative properties of secants to non-singular projective schemes. Mathematica Scandinavica, Berkeley, CA, United States, v. 39, p. 171–190, 1976. DOI: 10.7146/math.scand.a-11655. Disponível em: https://journals.msp.org/mscand/article/view/1991. Acesso em: 25 jul. 2026.