TY JOUR TI Implementing concept of smart city in Russian regions (case of Volgograd region) KW regional sustainability KW digitalization KW smart city KW digital economy KW concept implementing JO Vestnik of Astrakhan State Technical University. Series: Economics AU Akimova, O.. AU Volkov, S.. AU Kuzlaeva, I.. AU Kozhukhova, M.. PY 2021 IS 2021 PB Astrakhan State Technical University