Urbanik, Kazimierz A characterization of a class of convolutions. (English) Zbl 0201.51103 Colloq. Math. 18, 239-249 (1967). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents PDFBibTeX XMLCite \textit{K. Urbanik}, Colloq. Math. 18, 239--249 (1967; Zbl 0201.51103) Full Text: DOI