Сідоров, В. І., and Г. В. Ревякін. “Mechanisms of Cross-Border Economic Crisis Spreading and Minimization of Contagion Risks”. Bulletin of V. N. Karazin Kharkiv National University Economic Series, no. 89, Mar. 2016, pp. 22-28, https://periodicals.karazin.ua/economy/article/view/5378.