@article{Polekh2019on,
author={Polekh, N.M. and Chernigovskaya, M.A. and Yakovleva, O.E.},
title={On the formation of the F1 layer during sudden stratospheric warming events},
journal={Solnechno-Zemnaya Fizika},
publisher={INFRA-M Academic Publishing LLC.},
year={2019},
pages={140-152},
volume={5},
issue={3},
}