%0 Journal Article
%T Low-power solar flares of optical and X-ray wavelengths for solar cycles 21–24
%A Borovik, A.V.
%A Zhdanov, A.A.
%K solar activity, solar flares
%J Solar-Terrestrial Physics
%D 2020
%N 6
%P 6
%I INFRA-M Academic Publishing LLC.