Rowe, David E. Models from the nineteenth century used for visualizing optical phenomena and line geometry. (English) Zbl 1508.00013 Friedman, Michael (ed.) et al., Model and mathematics: from the 19th to the 21st century. Cham: Birkhäuser. Trends Hist. Sci., 177-202 (2022). MSC: 00A66 00A71 51-03 51-11 01A55 PDFBibTeX XMLCite \textit{D. E. Rowe}, in: Model and mathematics: from the 19th to the 21st century. Cham: Birkhäuser. 177--202 (2022; Zbl 1508.00013) Full Text: DOI
Witsenhausen, H. S. Metric inequalities and the zonoid problem. (English) Zbl 0282.52007 Proc. Am. Math. Soc. 40, 517-520 (1973). MSC: 52A40 46B99 52A20 51M10 54E35 PDFBibTeX XMLCite \textit{H. S. Witsenhausen}, Proc. Am. Math. Soc. 40, 517--520 (1973; Zbl 0282.52007) Full Text: DOI