GEORGE, J.; TRAINOR, JR., W. J. Portfolio insurance using leveraged ETFs. Financial Services Review, [S. l.], v. 26, n. 4, p. 387–403, 2017. DOI: 10.61190/fsr.v26i4.3373. Disponível em: https://openjournals.libs.uga.edu/fsr/article/view/3373. Acesso em: 3 jul. 2024.