%0 Conference Article %T Investigation of the dynamics of the magnetic field and vertical electric current during the precursors of the M6.5 class solar flare of June 22, 2015 using vector 135-second HMI magnetograms %A Sharykin, I.. %A Zimovets, I.. %K Sun: solar flares; precursors; magnetic field; electric current %J Modern astronomy: from the Early Universe to exoplanets and black holes %D 2024 %P 3 %I Special Astrophysical Observatory of the Russian Academy of Sciences