%0 Journal Article %T Assessment of the impact of the Covid-19 pandemic on the economic security of Russian oil companies based on IFRS reporting %A Bulatenko, M.A. %A Grishina, V.O. %A Grishina, N.O. %K economic security, IFRS reporting, bankruptcy assessment models, pandemic, COVID-19, oil industry %J Russian Journal of Management %D 2021 %N 9 %P 4 %I Publishing Center RIOR