Floyd, Robert W. On ambiguity in phrase structure languages. (English) Zbl 0227.68037 Commun. ACM 5, 526, 534 (1962). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 10 Documents MSC: 68Q45 Formal languages and automata PDF BibTeX XML Cite \textit{R. W. Floyd}, Commun. ACM 5, 526, 534 (1962; Zbl 0227.68037)