Hsiao, D.; Harary, Frank A formal system for information retrieval from files. (English) Zbl 0185.43601 Commun. ACM 13, 67-73 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 12 Documents Keywords:computer science and automata PDF BibTeX XML Cite \textit{D. Hsiao} and \textit{F. Harary}, Commun. ACM 13, 67--73 (1970; Zbl 0185.43601) Full Text: DOI OpenURL