TY JOUR TI JUSTIFICATION OF THE COMPETITIVE DEVELOPMENT STRATEGY FOR RETAIL CHAINS IN THE KRASNOYARSK KRAI, CONSIDERING DIGITAL TRANSFORMATION PROCESSES KW digital transformation KW competitive strategies KW retail KW retail chains KW Krasnoyarsk Krai KW key digital tools KW strategic digital focus JO Trade, service, food industry AU Tereshchenko, N.N. AU Petrukhina, M.D. PY 2026 IS 6 PB Siberian Federal University