Klee, V. Rearrangements of series of vectors. (English) Zbl 0118.05602 Math. Z. 81, 46-51 (1963). PDFBibTeX XMLCite \textit{V. Klee}, Math. Z. 81, 46--51 (1963; Zbl 0118.05602) Full Text: DOI EuDML
Klee, V. L. jun. Extremal structure of convex sets. II. (English) Zbl 0079.12502 Math. Z. 69, 90-104 (1958). PDFBibTeX XMLCite \textit{V. L. Klee jun.}, Math. Z. 69, 90--104 (1958; Zbl 0079.12502) Full Text: DOI EuDML