Иванников, Ð., 		Котонаева, Ð., & 		Иванникова, Ð.
(2023).
 Comparative analysis of variations in critical frequency of the ionosphere F2 layer under static heliogeophysical conditions at various latitudinal stations.
<em>Radioengineering And Telecommunication Systems, </em>(1), 5-12.
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