For citations:
Smeshko O.G., Ilyasov R.Kh., Plotnikov V.A. Migration as a factor of stability of regional economic systems: Spline analysis of structural changes in connectivity. Economics and Management. 2023;29(12):1417-1432. (In Russ.) https://doi.org/10.35854/1998-1627-2023-12-1417-1432