Baykova Natalia Adamovna RussiaSaratovSaratov State University, 410012, Russia, Saratov, Astrakhanskaya street, 83na.boykova@mail.ru, boykova_na@mail.ru Author's articles Тhе Quasipotential Approach to the Syperfine Splitting of Muonic Hydrogen and Positronium Electromagnetic Interaction for Muonium and Muonic Hydrogen The Investigation of the Fine Shift to the Energy Levels in the Hydrogen–Like Atoms with Accuracy α^6 ln α^(-1) by Quasipotential Method The Reseach of Corrections to the Fine Shift of Energy Levels in the Hydrogen-Like Atoms