An introduction to a mathematical treatment of economics 2026-02-15T23:11:45+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Archibald, G. C., 1926; Lipsey, Richard G., 1928 (Weidenfeld and Nicolson, 1977)