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[1]
A Note on an Economic Lot-sizing Problem with Perishable Inventory and Economies of Scale Costs:Approximation Solutions and Worst Case Analysis[J]. Qing-Guo Bai1 Yu-Zhong Zhang1 Guang-Long Dong2 1School of Operations Research and Management Sciences, Qufu Normal University, Rizhao 276826, PRC 2Haiyang Municipal Public Security Bureau, Haiyang 265100, PRC.International Journal of Automation & Computing. 2010(01)
[10]
An optimal replenishment policy for deteriorating items with time-varying demand and partial–exponential type – backlogging[J] . S. Papachristos,K. Skouri.Operations Research Letters . 2000 (4)