TY CONF TI Formation of quasi-periodic oscillations in the solar corona KW Sun: corona KW helioseismology KW oscillations JO Modern astronomy: from the Early Universe to exoplanets and black holes AU Derteev, S.. AU Sapraliev, M.. AU Shividov, N.. AU Mikhalyaev, B.. PY 2024 PB Special Astrophysical Observatory of the Russian Academy of Sciences