Ponstein, J. Seven kinds of convexity. (English) Zbl 0164.06501 SIAM Rev. 9, 115-119 (1967). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 99 Documents Keywords:differentiation and integration, measure theory PDFBibTeX XMLCite \textit{J. Ponstein}, SIAM Rev. 9, 115--119 (1967; Zbl 0164.06501) Full Text: DOI