@article{Kobyakova2025trends,
author={Kobyakova, S.E. and Gololobov, A.Y. and Karimov, R.R. and Stepanov, A.E.},
title={Trends in the F2-layer critical frequency from data obtained at the ionospheric station Yakutsk during the period from 1956 to 2017},
journal={Solar-Terrestrial Physics},
publisher={INFRA-M Academic Publishing LLC.},
year={2025},
pages={49-56},
volume={11},
issue={4},
}