Volatility smile at the Russian option market. Journal of Business Economics and Management, [S. l.], v. 7, n. 1, p. 9–15, 2006. DOI: 10.3846/16111699.2006.9636116. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/7883. Acesso em: 12 may. 2025.