For citations:

Nefedova T.G., Smirnova A.S. Socioeconomic Space Between Moscow and St. Petersburg: Old Problems and New Trends. Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya. 2026;90(1):192-207. (In Russ.) https://doi.org/10.7868/S2658697526010145