@article{Lukovnikova2022pitch-angle,
author={Lukovnikova, A.A. and Sdobnov, V.E.},
title={Pitch-angle anisotropy and differential rigidity spectra of cosmic rays during GLE on May 2 and 6, 1998},
journal={Solnechno-Zemnaya Fizika},
publisher={INFRA-M Academic Publishing LLC.},
year={2022},
pages={29-33},
volume={8},
issue={2},
}