00539naa#a2200181#i#450# EN\INFRA-M\bibl\4756 /en/manage/index 20250303005958.1 2712-9640 20150617b2015####ek#y0engy0150####ca RUS RU Waves and oscillations in sunspot atmosphere: a review Journal article Moscow INFRA-M Academic Publishing LLC. 2015 18 с. Journal article local Sych Robert Andreevich test.editorum.ru /en/manage/index