TY JOUR TI Wavelet analysis of geomagnetically induced currents during the strong geomagnetic storms KW geomagnetically induced currents KW geomagnetic storm KW autotransformer KW continuous wavelet transform JO Russian Journal of Earth Sciences AU Аксенович, Т.В. AU Билин, В.А. AU Сахаров, Я.А. AU Селиванов, В.Н. PY 2022 IS 22 PB Геофизический центр Российской Академии Наук