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Mathematical programming
Vajda, Steven, (1961)
Linear programming
Hadley, G., (1962)
On round-off errors in linear programming
Müller-Merbach, Heiner, (1970)
Chung, An-min, (1963)
Air pollution control costs and consumption pattern effects A regional analysis
Yan, Chiou-Shuang, (1975)
Air pollution control costs and consumption pattern effects : a regional analysis