1. Mathematical analysis for economics;Allen,1938
2. Capital labor substitution and economic efficiency;Arrow;Review of Economics and Statistics,1961
3. Engineering and econometric interpretations of energy-capital complementarity;Berndt;American Economic Review,1979
4. Global properties of flexible functional forms;Caves;American Economic Review,1980
5. Conjugate duality and the transcendental logarithmic production function;Christensen;Econometrica,1971