00662nam a2200193 4500 1/2845 040709s1977 enk i 001 0 eng d 3030 DLC GR-PeUP 330.01'51 AR Archibald, G. C., 1926- An introduction to a mathematical treatment of economics / G. C. Archibald and Richard G. Lipsey. 3rd ed. London : Weidengeld and Nicolson, c1977 viii, 523 p.; 23 cm. Index. Economics, Mathematical. Lipsey, Richard G., 1928- INST UNIPILB MAIN 20040709 330.01'51 AR 00108893 00108893 LOAN 4 20070125 1