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Heterogeneity, control variables, and maximizing behaviour : theory and an application to earnings functions with labor mobility
Hübler, Olaf, (1986)
Resource allocation for small scalf farmers of the star grass zone in Embu District, Kenya : a linear programming approach
Asamenew, G., (1985)
Schnittebenenverfahren für Travelling-Salesman- und verwandte Probleme
Holland, Olaf A., (1987)
The classicists' use of "demand"
Smith, Victor E., (1951)
Continuous and discontinuous factor substitution
Smith, Victor E., (1955)
Linear programming and the attack on malnutrition
Smith, Victor E., (1964)