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A shadow price in integer programming for management decision
Kim, Schun, (1988)
The multi-choice knapsack problem
Sinha, Prabhakant, (1979)
An extension of the algorithm of Driebeek for solving mixed integer programming problems
Rebelein, Paul R., (1968)
Further Comments on Majority Rule Under Transitivity Constraints
Bowman, V. Joseph, (1974)