00354nam a2200121Ia 4500008004000000082001800040100004400058245006400102250000500166260002600171300000800197650002700205210210b1976   xxu||||| |||| 00| 0 eng d  a510.2433 ARCI  aARCHIBALD (G C) and LIPSEY (Richard G).  aIntroduction to a mathematical treatment of economics. Ed.3  a  aLondonbE L B Sc1976  a523  aMathematical economics