1. Barten, A.P., and V. Bohrn. 1981. Consumer theory. In Handbook of mathematical economics, ed. K.J. Arrow and M.D. Intriligator, vol. 2, 381–429. New York: North-Holland Publishing Company.
2. Diewert, W.E. 1981. Duality approaches to microeconomic theory. In Handbook of mathematical economics, ed. K.J. Arrow and M.D. Intriligator, vol. 2, 353–399. New York: North-Holland Publishing Company.
3. Green, J., and W.P. Heller. 1981. Mathematical analysis and convexity with application to economics. In Handbook of mathematical economics, ed. K.J. Arrow and M.D. Intriligator, vol. 1, 1–52. New York: North-Holland Publishing Company.
4. Katzner, D.W. 1970. Static demand theory. New York: Macmillan.
5. Newman, P. 1969. Some properties of concave functions. Journal of Economic Theory 1: 291–314.