Ageev, Alexander; Ye, Yinyu; Zhang, Jiawei Improved combinatorial approximation algorithms for the \(k\)-level facility location problem. (English) Zbl 1087.90037 SIAM J. Discrete Math. 18, No. 1, 207-217 (2004). MSC: 90B80 68W25 68W40 68Q25 90C27 90C59 PDF BibTeX XML Cite \textit{A. Ageev} et al., SIAM J. Discrete Math. 18, No. 1, 207--217 (2004; Zbl 1087.90037) Full Text: DOI
Ageev, Alexander; Ye, Yinyu; Zhang, Jiawei Improved combinatorial approximation algorithms for the \(k\)-level facility location problem. (English) Zbl 1060.90677 Baeten, Jos C. M. (ed.) et al., Automata, languages and programming. 30th international colloquium, ICALP 2003, Eindhoven, The Netherland, June 30 – July 4, 2003. Proceedings. Berlin: Springer (ISBN 3-540-40493-7/pbk). Lect. Notes Comput. Sci. 2719, 145-156 (2003). MSC: 90B80 68W25 68W40 90C27 90C59 PDF BibTeX XML Cite \textit{A. Ageev} et al., Lect. Notes Comput. Sci. 2719, 145--156 (2003; Zbl 1060.90677) Full Text: Link