KHOROSHUN, G.; RYAZANTSEV , O. .; CHERPITSKYI, M. Clustering and anomalies of USA stock market volatility index data. Advanced Information Systems, [S. l.], v. 7, n. 2, p. 9–15, 2023. DOI: 10.20998/2522-9052.2023.2.02. Disponível em: https://ais.khpi.edu.ua/article/view/281564. Acesso em: 12 apr. 2026.