Flaška, Václav; Kepka, Tomáš; Kortelainen, Juha On separating sets of words. IV. (English) Zbl 1217.68170 Acta Univ. Carol., Math. Phys. 51, No. 1, 65-71 (2010). Summary: Further properties of transitive closures of special replacement relations in free monoids are studied.[For Part III see ibid. 51, No. 1, 57–64 (2001; Zbl 1217.68169).] Cited in 1 Review MSC: 68R15 Combinatorics on words 68Q42 Grammars and rewriting systems Citations:Zbl 1217.68169 PDF BibTeX XML Cite \textit{V. Flaška} et al., Acta Univ. Carol., Math. Phys. 51, No. 1, 65--71 (2010; Zbl 1217.68170) OpenURL