Salomaa, A. On the index of a context-free grammar and language. (English) Zbl 0181.31001 Inf. Control 14, 474-477 (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 18 Documents Keywords:languages, automata, networks PDF BibTeX XML Cite \textit{A. Salomaa}, Inf. Control 14, 474--477 (1969; Zbl 0181.31001) Full Text: DOI OpenURL