00632naa#a2200193#i#450# EN\\bibl\69840 20260311054553.3 2500-0535 20231228b2023####ek#y0engy0150####ca ENG RU Dynamics of small-scale magnetic fields before small and large solar flares Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2023 8 с. Journal article local Астрономия. Геодезия. 52 ENG Borovik Aleksandr Vasil'evich Zhdanov Anton Andreevich ras.editorum.ru