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Letchford, A. N., & Lodi, A. (2002). Strengthening Chvatal-Gomory cuts and Gomory fractional cuts. Operations Research Letters, 30(2), 74-82. Lien externe
Letchford, A. N., & Lodi, A. (mai 2002). Polynomial-time separation of simple comb inequalities [Communication écrite]. 9th International Conference on Integer Programming and Combinatorial Optimization (IPCO 2002), Cambridge, MA, United states. Lien externe