%0 Journal Article %T Effects of 7September 5–12, 2017 solar flares on regional disturbance of Earth’s ionosphere as recorded by GNSS stations located in the Volga Federal District of the Russian Federation %A Максимов, Д.С. %A Когогин, Д.А. %A Насыров, И.А. %A Загретдинов, Р.В. %K ionosphere, GNSS, total electron content, solar flare, magnetic storms, GPS, GLONASS, TEC maps %J Solar-Terrestrial Physics %D 2023 %N 9 %P 6 %I Институт солнечно-земной физики СО РАН