Parikh, R. J. On context-free languages. (English) Zbl 0154.25801 J. Assoc. Comput. Mach. 13, 570-581 (1966). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 243 Documents Keywords:mathematical logic PDF BibTeX XML Cite \textit{R. J. Parikh}, J. Assoc. Comput. Mach. 13, 570--581 (1966; Zbl 0154.25801) Full Text: DOI