Klaus-Jörn Lange, Klaus Reinhardt. Empty Alternation. In Igor Prívara, Branislav Rovan, Peter Ruzicka, editors, Mathematical Foundations of Computer Science 1994, 19th International Symposium, MFCS 94, Kosice, Slovakia, August 22 - 26, 1994, Proceedings. Volume 841 of Lecture Notes in Computer Science, pages 494-503, Springer, 1994.
@inproceedings{LangeR94, title = {Empty Alternation}, author = {Klaus-Jörn Lange and Klaus Reinhardt}, year = {1994}, researchr = {https://researchr.org/publication/LangeR94}, cites = {0}, citedby = {0}, pages = {494-503}, booktitle = {Mathematical Foundations of Computer Science 1994, 19th International Symposium, MFCS 94, Kosice, Slovakia, August 22 - 26, 1994, Proceedings}, editor = {Igor Prívara and Branislav Rovan and Peter Ruzicka}, volume = {841}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {3-540-58338-6}, }