Jozef Gruska. Complexity and Unambiguity of Context-Free Grammars and Languages. Inf. Comput., 18(5):502-519, June 1971.
@article{Gruska71a, title = {Complexity and Unambiguity of Context-Free Grammars and Languages}, author = {Jozef Gruska}, year = {1971}, month = {June}, tags = {context-aware, grammar}, researchr = {https://researchr.org/publication/Gruska71a}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {18}, number = {5}, pages = {502-519}, }