00746nam0 22002651i 450 99000728743040332120180403144508.0000728743FED01000728743(Aleph)000728743FED0100072874320021010d--------km-y0itay50------baengEconomics among the sciencesTjalling Charles Koopmanss.l.s.e.s.d.Cowles foundation paper481Koopmans,Tjalling Charles<1910-1984>267365ITUNINARICAUNIMARCBK990007287430403321XV C 26 (1)1979DTEDTEEconomics among the sciences696886UNINAGEN01