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"On product covering in 3-tier supply chain models: Natural complete ..."
Jianer Chen, Fenghui Zhang (2006)
- Jianer Chen, Fenghui Zhang:
On product covering in 3-tier supply chain models: Natural complete problems for W[3] and W[4]. Theor. Comput. Sci. 363(3): 278-288 (2006)
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