Exponential ambiguity of context-free grammars

Klaus Wich. Exponential ambiguity of context-free grammars. In Grzegorz Rozenberg, Wolfgang Thomas, editors, Developments in Language Theory, Foundations, Applications, and Perspectives, Aachen, Germany, 6-9 July 1999. pages 125-138, World Scientific, 1999.

Abstract

Abstract is missing.