00764naa#a2200181#i#450# EN\INFRA-M\bibl\113776 20260408052621.3 2712-9640 20260325b2026####ek#y0engy0150####ca RU Comparative analysis of responses of minimum frequency of ionogram reflections and mesosphere-lower thermosphere temperature to winter sudden stratospheric warmings Journal article Moscow INFRA-M Academic Publishing LLC. 2026 9 с. Journal article local Ионосфера: теории, влияния ионосферы, распределение и т. д.. 550.388.2 Ratovsky Konstantin Gennadyevich Medvedeva Irina Viktorovna zh-szf.ru