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Hrubeš, Pavel On the nonnegative rank of distance matrices. (English) Zbl 1243.15003 Inf. Process. Lett. 112, No. 11, 457-461 (2012). MSC: 15A03 15B48 15A23 68Q25 PDFBibTeX XMLCite \textit{P. Hrubeš}, Inf. Process. Lett. 112, No. 11, 457--461 (2012; Zbl 1243.15003) Full Text: DOI