00859naa#a2200229#i#450# EN\INFRA-M\bibl\23020 20240426013343.5 2712-9640 20190930b2019####ek#y0engy0150####ca RUS RU Solar activity research at the Baikal Astrophysical Observatory of ISTP SB RAS Journal article Moscow INFRA-M Academic Publishing LLC. 2019 14 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 RUS Borovik Aleksandr Vasil'evich Golovko Aleksey Alekseevich Polyakov Vladimir Ivanovich Trifonov Viktor Dmitrievich Yazev Sergey Arkturovich naukaru.ru