An introduction to a mathematical treatment of economics / G.C. Archibald and Richard G. Lipsey. Archibald, G. C., 1926- Lipsey, Richard G., 1928- joint author. Economics, Mathematical. HB74.M3 A7 330.182 ARI With answers to exercises. Bibliographical footnotes. London : Weidenfeld & Nicolson, 1967. 1967. 1967 Text [5] 399 p. : eng