@article{Golovnina2019,
author={Golovnina, L.A. and Antonova, K.S. and Golovnina, E.V. and Golovnin, V.N. and Sedlak, M..},
title={},
journal={MOSCOW ECONOMIC JOURNAL},
publisher={Electronic science},
year={2019},
pages={38-38},
volume={4},
issue={1},
}