Spectral Method for the Black-Scholes Model of American Options Valuation. Journal of Mathematical Study, [S. l.], v. 47, n. 1, p. 47–64, 2014. DOI: 10.4208/jms.v47n1.14.03. Disponível em: https://www.global-sci.com/index.php/jms/article/view/13215. Acesso em: 6 dec. 2025.