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Approximations for multiproduct contracts with stochastic demands and business volume discounts: Single supplier case
Anupindi, R., (1998)
Multiproduct Inventory Models with Substitution.
Bassok, Y., (1992)
The Non-Stationary Stochastic Lead-Time Inventory Problem : Near-Myopic Bounds, Heuristics, and Testing.
Anupindi, R., (1991)