%ALysenko, Alexandra%AAnfinogentov, Sergey%ASvinkin, Dmitry%AFrederiks, Dmitry%AFleishman, Gregory%BJournal Name: The Astrophysical Journal; Journal Volume: 877; Journal Issue: 2 %D2019%I %JJournal Name: The Astrophysical Journal; Journal Volume: 877; Journal Issue: 2 %K %MOSTI ID: 10154683 %PMedium: X %TGamma-Ray Emission from the Impulsive Phase of the 2017 September 6 X9.3 Flare %X %0Journal Article