Tsuneko Nakazawa, Laura Neher, Erhard W. Hinrichs. Unification with Disjunctive and Negative Values for GPSG Grammars. In ECAI. pages 467-472, 1988.
@inproceedings{NakazawaNH88, title = {Unification with Disjunctive and Negative Values for GPSG Grammars}, author = {Tsuneko Nakazawa and Laura Neher and Erhard W. Hinrichs}, year = {1988}, tags = {grammar}, researchr = {https://researchr.org/publication/NakazawaNH88}, cites = {0}, citedby = {0}, pages = {467-472}, booktitle = {ECAI}, }