For citations:

Frenkel A.A., Tikhomirov B.I., Surkov A.A. Ups and Downs of Business Activity in the Waves of Crises, the Coronavirus Pandemic and Unprecedented Western Sanctions. Finance: Theory and Practice. 2023;27(1):6-17. https://doi.org/10.26794/2587-5671-2023-27-1-6-17