00684naa#a2200181#i#450# EN\INFRA-M\bibl\41660 /en/manage/index 20250820225716.3 2587-9111 20210422b2021####ek#y0engy0150####ca RU Synergy of Innovative Opportunities for the Development of Digital Solutions for the Business Environment and Smart City Infrastructure Journal article Moscow INFRA-M Academic Publishing LLC. 2021 6 с. Journal article local Экономика. Экономические науки. 33 Levchaev Petr Aleksandrovich test.editorum.ru /en/manage/index