The Computer Journal 1970 13(3):272-277; doi:10.1093/comjnl/13.3.272
© 1970 by British Computer Society
A generalised normal form theorem for context-free grammars*
D. Wood
Courant Institute, 251 Mercer Street, New York, USA
Generalised versions of the Greibach Normal Form Theorem are presented and proved, together with the introduction of two new classes of grammars.
Received August 1969.
* Work carried out at the Courant Institute with the National Foundation, Grant NSFGJ95
Courant Institute, 251 Mercer Street, New York, New York 10012, USA

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