Review: Seymour Ginsburg, Joseph Ullian, Ambiguity in Context Free Languages; Seymour Ginsburg, Joseph Ullian, Preservation of Unambiguity and Inherent Ambiguity in Context-Free; Thomas N. Hibbard, Joseph Ullian, The Independence of Inherent Ambiguity from Complementednes Among Context-Free Languages
@article{1183736347,
author = {Langendoen, D. Terence},
title = {Review: Seymour Ginsburg, Joseph Ullian, Ambiguity in Context Free Languages; Seymour Ginsburg, Joseph Ullian, Preservation of Unambiguity and Inherent Ambiguity in Context-Free; Thomas N. Hibbard, Joseph Ullian, The Independence of Inherent Ambiguity from Complementednes Among Context-Free Languages},
journal = {J. Symbolic Logic},
volume = {33},
number = {1},
year = {1968},
pages = { 301-302},
language = {en},
url = {http://dml.mathdoc.fr/item/1183736347}
}
Langendoen, D. Terence. Review: Seymour Ginsburg, Joseph Ullian, Ambiguity in Context Free Languages; Seymour Ginsburg, Joseph Ullian, Preservation of Unambiguity and Inherent Ambiguity in Context-Free; Thomas N. Hibbard, Joseph Ullian, The Independence of Inherent Ambiguity from Complementednes Among Context-Free Languages. J. Symbolic Logic, Tome 33 (1968) no. 1, pp. 301-302. http://gdmltest.u-ga.fr/item/1183736347/