The following publications are possibly variants of this publication:
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- Corrigendum to "Approximation hardness of min-max tree covers" [Oper. Res. Lett. 38 (3) (2010) 169-173]Zhou Xu, Qi Wen. orl, 41(5):563, 2013. [doi]
- An approximation algorithm for the ::::k::::-level capacitated facility location problemDonglei Du, Xing Wang, Dachuan Xu. jco, 20(4):361-368, 2010. [doi]
- An approximation algorithm for stochastic multi-level facility location problem with soft capacitiesChenchen wu, Donglei Du, Yue Kang. jco, 44(3):1680-1692, 2022. [doi]
- Erratum to "A stochastic program based lower bound for assemble-to-order inventory systems" [Oper. Res. Lett. 40(2) (2012) 89-95]Martin I. Reiman, Qiong Wang. orl, 40(4):306, 2012. [doi]
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