TY JOUR TI Theoretical Aspects of the Economic Security of the Oil and Gas Sector of the Russian Federation KW economic security KW oil and gas sector KW indicators of evaluation KW national economy KW volumes of oil and gas production. JO Scientific Research and Development. Economics of the Firm AU Kozyr', N.S. AU Kovalenko, V.S. PY 2017 IS 6 PB INFRA-M Academic Publishing LLC.