For citations:
Belyaeva M.A., Gazhur A.A., Perov V.I., Bezotosova O.K. Integrated Informational and Analytical System of Calculating Economic Indices at Enterprises of Public Catering. Vestnik of the Plekhanov Russian University of Economics. 2019;(1):215-222. (In Russ.) https://doi.org/10.21686/2413-2829-2019-1-215-222