SVISHCHUK, A. V. Hedging of options under mean-square criterion and semi-Markov volatility. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 47, n. 7, p. 976–983, 1995. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5493. Acesso em: 14 apr. 2025.