Low-frequency oscillations while magnetic storms as a tool to determine the types of solar plasma flowsN. A. Barkhatov, S.E. Revunov, O. T. Cherney, Zh. V. Smirnova and M. V. MukhinaE3S Web Conf., 220 (2020) 01090DOI: https://doi.org/10.1051/e3sconf/202022001090