Detlef Wotschke. The Boolean Closures of the Deterministic and Nondeterministic Context-Free Languages. In Wilfried Brauer, editor, Gesellschaft für Informatik e.V., 3. Jahrestagung, Hamburg, 8.-10. Oktober 1973. Volume 1 of Lecture Notes in Computer Science, pages 113-121, Springer, 1973.
@inproceedings{Wotschke73, title = {The Boolean Closures of the Deterministic and Nondeterministic Context-Free Languages}, author = {Detlef Wotschke}, year = {1973}, tags = {context-aware}, researchr = {https://researchr.org/publication/Wotschke73}, cites = {0}, citedby = {0}, pages = {113-121}, booktitle = {Gesellschaft für Informatik e.V., 3. Jahrestagung, Hamburg, 8.-10. Oktober 1973}, editor = {Wilfried Brauer}, volume = {1}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {3-540-06473-7}, }