Title: Vyi͡avlenie i formalizat͡sii͡a osnovnykh ėkonomicheskikh svi͡azeĭ po rat͡sionalʹnomu ispolʹzovanii͡u prirodnykh resursov v modeli͡akh regionalʹnykh proizvodstvennykh sistem
Subjects: Regional economics, Mathematical models, Industries, Planning, Natural resources
Places: Soviet Union