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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)
An exact penalty function approach for nonlinear integer programming problems
Sinclair, Marius, (1986)
A103 (1997) 18-27 in heavily congested cities
Sinclair, Marius, (1997)