FISZEDER, P.; MAŁECKA, M. Forecasting volatility during the outbreak of Russian invasion of Ukraine: application to commodities, stock indices, currencies, and cryptocurrencies. Equilibrium. Quarterly Journal of Economics and Economic Policy, [S. l.], v. 17, n. 4, p. 939–967, 2022. DOI: 10.24136/eq.2022.032. Disponível em: http://economic-research.pl/Journals/index.php/eq/article/view/2138. Acesso em: 31 jan. 2023.