Herz, Carl Drury’s lemma and Helson sets. (English) Zbl 0229.43009 Stud. Math. 42, 205-219 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents MSC: 43A46 Special sets (thin sets, Kronecker sets, Helson sets, Ditkin sets, Sidon sets, etc.) PDFBibTeX XMLCite \textit{C. Herz}, Stud. Math. 42, 205--219 (1972; Zbl 0229.43009) Full Text: DOI EuDML