00546naa#a2200169#i#450# EN\INFRA-M\bibl\41947 20260223232429.1 2500-0527 20201030b2020####ek#y0engy0150####ca RU On the issue of connectivity of the economic space Journal article Moscow INFRA-M Academic Publishing LLC. 2020 7 с. Journal article local Экономика. Экономические науки. 33 Lebedeva Nadezhda Anatol'evna zh-szf.ru