TY JOUR TI Studying auroral activity using the SME index at the magnetic storm main phase during CIR and ICME events KW magnetic storm KW SME index KW Dst index KW solar wind KW electric field JO Solar-Terrestrial Physics AU Boroev, R.N. AU Vasiliev, M.S. PY 2021 IS 7 PB INFRA-M Academic Publishing LLC.