Борисов, Алексей Николаевич, and Елена Анатольевна Ратушная. “Portfolio Decisions on the Basis of Risk-Prediction Estimates of Profitableness of Financial Actives”. Modern Economics: Problems and Solutions 7 (May 4, 2015): 156-163. Accessed December 5, 2025. https://journals.vsu.ru/meps/article/view/4382.