Liashenko Olena, Kravets Tetyana, and Filogina Anastasiya. “Volatility Modeling for Currency Pairs and Stock Indices by Means of Complex Networks”. Ekonomika 99, no. 2 (November 16, 2020): 20-38. Accessed July 31, 2021. https://www.journals.vu.lt/ekonomika/article/view/21053.