00712naa#a2200193#i#450# EN\INFRA-M\bibl\48924 /en/manage/index 20250212190127.3 2500-0535 20220930b2022####ek#y0engy0150####ca ENG RU Structure of groups of eigenfrequencies in spectra of geomagnetic pulsations in the nightside magnetosphere Journal article Moscow INFRA-M Academic Publishing LLC. 2022 4 с. Journal article local Геология. Геологические и геофизические науки. 55 ENG Polyakov Andrey Redzhenaldovich test.editorum.ru /en/manage/index