Cournot, Augustin. Researches into the mathematical principles of the theory of wealth / By Augustin Cournot. - London : The Macmillan Company, 1897. - 213p HB Standard No.: 13551 [old SOUL v1.0 record id] Subjects--Topical Terms: Economics , Mathematical Dewey Class. No.: ADT330.0151 / C833r