BIDIARD, C.; STEEDMAN, I. Monotonic Movement of Price Vectors. Economic Issues, [S. l.], v. 1, n. 2, p. 41–44, 1996. Disponível em: https://mail.economicissues.org.uk/index.php/EI_OJS/article/view/19. Acesso em: 11 nov. 2026.