Klaus Estenfeld. Strukturelle Untersuchungen zur schwersten kontextfreien Sprache. In H. Tzschach, H. Waldschmidt, Hermann K.-G. Walter, editors, Theoretical Computer Science, 3rd GI-Conference, Darmstadt, Germany, March 28-30, 1977, Proceedings. Volume 48 of Lecture Notes in Computer Science, pages 106-122, Springer, 1977.
@inproceedings{Estenfeld77, title = {Strukturelle Untersuchungen zur schwersten kontextfreien Sprache}, author = {Klaus Estenfeld}, year = {1977}, researchr = {https://researchr.org/publication/Estenfeld77}, cites = {0}, citedby = {0}, pages = {106-122}, booktitle = {Theoretical Computer Science, 3rd GI-Conference, Darmstadt, Germany, March 28-30, 1977, Proceedings}, editor = {H. Tzschach and H. Waldschmidt and Hermann K.-G. Walter}, volume = {48}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {3-540-08138-0}, }