@article{Kichigin2022conditions, author={Kichigin, G.N. and Kravtsova, M.V. and Sdobnov, V.E.}, title={Conditions for arrival of solar energetic protons in Earth after strong solar flares}, journal={Solnechno-Zemnaya Fizika}, publisher={INFRA-M Academic Publishing LLC.}, year={2022}, pages={24-28}, volume={8}, issue={3}, }