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Decompositions of profitability change using cost functions
Diewert, Walter E., (2014)
Multi-output profit efficiency and directional distance functions
Cherchye, Laurens, (2014)
Cherchye, Laurens, (2016)
Hahn-Banach extension theorems for multifunctions revisited
Zălinescu, C., (2008)
Counterexamples to a triality theorem in “Canonical dual least square method”
Voisei, M., (2011)
Counterexamples to a triality theorem for quadratic-exponential minimization problems
Voisei, M., (2013)