%0 Journal Article %T Solar activity research at the Baikal Astrophysical Observatory of ISTP SB RAS %A Borovik, A.V. %A Golovko, A.A. %A Polyakov, V.I. %A Trifonov, V.D. %A Yazev, S.A. %K astronomical instruments, solar observations, spectra, polarization, solar activity complexes, solar flares %J Solar-Terrestrial Physics %D 2019 %N 5 %P 10 %I INFRA-M Academic Publishing LLC.