@article{2021-04-01,
author = {, },
title = {},
year = {2021},
doi = {10.18844/wjet.v13i2.5713},
publisher = {NP «NEICON»},
abstract = {},
URL = {https://covid19.neicon.ru/publication/4589},
eprint = {https://covid19.neicon.ru/files/1876},
}