For citations:
Frenkel A.A., Volkova N.N., Surkov A.A. Improving the Prediction Accuracy of the Integral Indicators by the Means of Combining Forecasts. Finance: Theory and Practice. 2017;21(5):118-127. (In Russ.) https://doi.org/10.26794/2587-5671-2017-21-5-118-127