S. V. Avaki︠a︡n

• Innovative telescopes and instrumentation for solar astrophysics
• Nabli︠u︡denii︠a︡ poli︠a︡rnykh sii︠a︡niĭ iz kosmosa
• Nochnai︠a︡ F-oblastʹ ionosfery v periody vspyshek na solnt︠s︡e
• Tipichnye oshibki v russkoĭ rechi uchashchikhsi︠a︡-armi︠a︡n i puti ikh preodolenii︠a︡