Ryazanov, Viktor Timofeyevich. “Development of the Theory of Capitalist Crises: Political Economy Traditions and Modernity”. Economy of Regions 11, no. 2 (June 25, 2015): 40–49. Accessed June 17, 2026. https://www.economyofregions.org/ojs/index.php/er/article/view/2330.