%0 Journal Article %T Role of alpha particles in penetration of solar wind diamagnetic structures into the magnetosphere %A Eselevich, V.G. %A Parhomov, V.A. %K slow solar wind, sporadic solar wind, ratio of alpha particles to protons, magnetospheric response to DS and ISW %J Solnechno-Zemnaya Fizika %D 2023 %N 9 %P 10 %I INFRA-M Academic Publishing LLC.