WIŚNIEWSKI, T. CONSTRUCTION AND PROPERTIES OF VOLATILITY INDEX FOR WARSAW STOCK EXCHANGE. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 15, n. 1, p. 218–223, 2014. Disponível em: https://qme.sggw.edu.pl/article/view/3663. Acesso em: 14 maj. 2024.