Blattner, Meera; Ginsburg, Seymour Position-restricted grammar forms and grammars. (English) Zbl 0477.68086 Theor. Comput. Sci. 17, 1-27 (1982). MSC: 68Q45 PDFBibTeX XMLCite \textit{M. Blattner} and \textit{S. Ginsburg}, Theor. Comput. Sci. 17, 1--27 (1982; Zbl 0477.68086) Full Text: DOI
Blattner, Meera; Ginsburg, Seymour Canonical forms of context-free grammars and position restricted grammar forms. (English) Zbl 0356.68081 Fundam. Comput. Theory, Proc. int. Conf., Poznan-Kornik 1977, Lect. Notes Comput. Sci. 56, 49-53 (1977). MSC: 68Q45 PDFBibTeX XML