@article{Orlov2023overpopulation,
author={Orlov, E.V. and Matveev, D.A. and Sonina, V.P.},
title={Overpopulation of cities is the main factor of environmen-tal degradation},
journal={Journal of Natural Sciences Research},
publisher={INFRA-M Academic Publishing LLC.},
year={2023},
pages={18-21},
volume={8},
issue={1},
}