@article{Smirnova2025some,
author={Smirnova, E.V.},
title={Some conceptual provisions for the regional sectoral economic system formation and development},
journal={Vestnik of Astrakhan State Technical University. Series: Economics},
publisher={Astrakhan State Technical University},
year={2025},
pages={25-33},
volume={2025},
issue={4},
}