Wilf classification of three and four letter signed patterns

Dukes, W.M.B. and Mansour, Toufik and Reifegerste, Astrid (2008) Wilf classification of three and four letter signed patterns. Discrete Mathematics, 308 (15). p. 3125. ISSN 0012-365X

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ORCID iDs

Dukes, W.M.B. ORCID logoORCID: https://orcid.org/0000-0002-2779-2680, Mansour, Toufik and Reifegerste, Astrid;