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Economics and decision making for environmental quality
Conner, James Richard, (1974)
Optimal agricultural prices within the European Community
Kirschke, Dieter, (1983)
Der Beitrag des öffentlichen Verkehrs zur gesellschaftlichen Wohlfahrt
Klaassen, Leonardus H., (1983)
Sufficient Conditions in Optimal Control Theory.
Seierstad, Atle, (1977)
Sufficient conditions applied to an optimal control problem of resource management
Seierstad, Atle, (1983)
Sufficiency conditions in optimal control theory
Seierstad, Atle, (1975)