@article{Markelov2018, author={Markelov, D.A. and Markelov, A.V. and Mineeva, N.Y. and Akol'zin, A.P. and Grigor'eva, M.A. and Chukmasova, E.A. and Kochurov, B.I.}, title={}, journal={MOSCOW ECONOMIC JOURNAL}, publisher={Electronic science}, year={2018}, pages={18-18}, volume={3}, issue={5}, }