Levy, Paul Étude d’une classe de permutations. (French) Zbl 0033.34201 C. R. Acad. Sci., Paris 227, 422-423 (1948). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document Keywords:Combinatorics PDFBibTeX XMLCite \textit{P. Levy}, C. R. Acad. Sci., Paris 227, 422--423 (1948; Zbl 0033.34201)