7Samuelson,Paul A.Understanding the Marxian Notion of Exploitation: A Summary of the So-Called Transformation Problem Between Marxian Values and Competitive PricesJournal of Econometrics,1971.
8Dumennil,G."Beyond the transformation riddle:a labor theory of value"Science and Society,1984.
9Bott R,Tu LW.Differential Forms in Algebraic Topology,1982.
10Bortkiewicz,L.Von,J.Kahane (trans).Value and Price in the Marxian SystemInternational Economic Papers,1952.