00747naa#a2200193#i#450# EN\INFRA-M\bibl\16399 20241212010136.4 2500-0535 20170505b2017####ek#y0engy0150####ca ENG RU Statistical studies of low-power solar flares. Distribution of flares by area, brightness, and classes Journal article Moscow INFRA-M Academic Publishing LLC. 2017 16 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 ENG Borovik Aleksandr Vasil'evich Zhdanov Anton Andreevich zh-szf.ru