%0 Journal Article %T Studying the radial structure of the poloidal Alfvén resonator by the method of phase portraits from Van Allen Probes satellite data %A Vlasov, A.A. %K Alfvén waves, poloidal resonator, ULF waves, satellite observations %J Solar-Terrestrial Physics %D 2025 %N 11 %P 8 %I INFRA-M Academic Publishing LLC.